Wednesday, October 14, 2009
Irresponsible Advice About the Swine Flu Vaccine
Now ordinarily this would not be a big deal. I mean, who would look to a talk show host for medical advice? Unfortunately, with this being a new vaccine, and a high level of suspicion about the government's ability to do anything whatsoever running rampant in the country, this just encourages those who are dubious about it to feel justified in skipping it. This would not be a good idea.
The H1N1 (swine) flu is a different strain of flu virus. Unlike the usual seasonal influenza that is more apt to be severe in the elderly, with the H1N1 virus, younger people are more vulnerable and become sicker than their elders.
This may be because the new H1N1 virus is related to the deadly 1918 Spanish flu, and since variants of the 1918 flu type were in circulation for several generations after it first appeared, people 65 and over tend to be less vulnerable to the new flu since they have had exposure to its cousin in the past.
In addition, those who were vaccinated against the swine flu strain that was prevalent in 1976 may also have a certain degree of cross-immunity to the new H1N1 virus.
This leaves younger people at most risk for severe illness in this new pandemic. In addition, pregnant women, whose immunity is lowered by their condition, and those with specific health problems, are also vulnerable.
There are two kinds of vaccine: One injectable, which is a killed virus that is incapable of causing illness, and a nasal spray version that is a weakened virus. It is recommended that those with impaired immunity only receive the injected vaccine.
It is the height of irresponsibility on Maher's part to be blathering about a medical subject about which he obviously knows very little, and contradicting Dr. Bill Frist, his guest on the show, who was trying to get across the importance of vaccination.
There are reasons some people shouldn't receive either vaccination. If they are allergic to eggs, as my mother is, they cannot receive any flu vaccines because the virus used to create them is incubated in eggs. In addition, there may be concerns about the preservative, thimerasol, which is used in the injectable vaccines for both H1N1 and regular seasonal flu.
And of course, it is always a personal decision whether one wants to have a shot or not. But to make that decision, a person needs to be armed with the facts, not a talk show host's personal aversions. If you want the facts, please go to this site and read up on them. Then you can make a truly informed decision about receiving the H1N1 vaccination.
(cross-posted at Mauigirl's Meanderings)
Saturday, February 21, 2009
Alice in Wonderland Syndrome
It also helps that I recently discovered a brand new condition that is fascinating to me and will be of interest, I'm sure, to all of you hypochondriacs out there.
I discovered it because a friend recently told me that when she was a child she experienced spells where everything around her - the door, the window, the furniture, whatever - seemed abnormally large and she felt abnormally small. This experience was accompanied by a distinctive odor. I immediately thought that if this was something neurological, which it appeared to be, it probably had a name like "Alice in Wonderland Syndrome," since it sounded so much like what happened in the story..."One pill makes you larger, one pill makes you smaller..."
So, being me, I had to go Google it. Imagine my surprise when I found there really is a syndrome called Alice in Wonderland Syndrome!
According to HealthCentral.com, Alice in Wonderland Syndrome was first described by C.W. Lippman in 1952, but J. Todd actually named the syndrome "Alice in Wonderland" syndrome in his 1955 article, "The Syndrome of Alice in Wonderland," in the Canadian Medical Association Journal. As a result, the syndrome is sometimes also called Todd's Syndrome.
What Are the Symptoms of Alice in Wonderland Syndrome?
According to the Migraine Aura Foundation, the syndrome refers to "a variety of self-experienced body image disturbances affecting the experience of the size, mass, shape of the body or its position in space."
Sometimes the affected person experiences a feeling of everything around them being much larger and they themselves feel smaller (macropsia) or vice versa - where they feel very large and everything around them seems very small (micropsia). These perceptions are also known as macro-somatognosia or micro-somatognosia.
These symptoms can appear along with other distortions, in time, vision, or other senses (including smell, which would explain the odor my friend experienced).
Sufferers may also see changes in the size of body parts such as their hands.
Following is a full list of possible additional symptoms:
"- feeling as if walking doesn't get them anywhere, as if they were walking on a treadmill
- the perception that only parts of their body are larger/smaller than normal
- - the feeling of walking on sponges
lingering touch sensation, i.e. after you've touched something, you continue to feel it after you've stopped touching it. Touch sensation hallucinations can also occur.
- lingering sound sensation, i.e. you continue hearing something after the noise has stopped
- anxiety
- loss of limb control and general discoordination, usually because of distorted perceptions of where one's body is in relation to surroundings
- agnosia / memory loss (though this is thought to be more of a side-effect: If you're having to think really hard about every movement, it's hard to pay attention to anything else and thus hard to remember things.)"
What Causes It?
Alice in Wonderland Syndrome can be caused by/associated with:
- Migraines (the symptoms of AIWS may be part of the "aura" that precedes a migraine; often no headache is actually experienced).
- Certain drugs (including cough syrups containing dextromethorphan)
- Viruses (Epstein-Barr, which causes Mononucleosis, or other viruses)
- Epilepsy
- Brain tumors
- Schizophrenia
- Delirium Tremens (from alcohol abuse)
What Are the Treatments?
Generally there is no specific treatment for AIWS; the root cause is what must be treated. For the most common cause, migraines, there are a number of remedies, as well as dietary restrictions that can help mitigate the symptoms. See this link to the Mayo Clinic for full information about migraine headaches.
For more information on treatment for epilepsy, see this link to Epilepsy.com.
Often the syndrome occurs in young children and eventually they may outgrow it. Others don't experience it until adulthood.
Will You Get It?
Probably not, unless you are a migraine sufferer. According to Pediatrics in Review:
"In the US it is estimated that 8.7 million females and 2.6 million males suffer from disabling migraine. The occurrence of migraine is greatest in adulthood, but this disorder is one of the most common causes of headache in children as well. In a 14-year longitudinal study of more than 9000 school children, Billie reported that 5% had had migraine attacks by 15 years of age.
A recent population-based study in Olmsted County, Minnesota, suggests an even greater incidence in this age range. For example, the highest incidence of newly diagnosed migraine headaches appearing in males, 246 per 100 000 person-years, occurred in those aged 10 to 14 years."
For an interesting article on the subject, see this article from WABC news.
Saturday, April 12, 2008
Help for Hypochondriacs!
Hypochondriac's Handbook.
The "handbook," which is a 12-page web article, deals with such diverse subjects as chronic thirst (not necessarily diabetes), breast pain (not necessarily cancer) chronic headaches (not necessarily a brain tumor), and so on.
Time Magazine has also recently published articles about hypochndriacs. How to Heal a Hypochondriac talks about the tendency of medical students to become raging hypochondriacs as they gain more and more medical knowledge, truly illustrating Alexander Pope's contention that "a little knowledge is a dangerous thing."
The article goes on to talk about hypochondriacs in general:
"For doctors in training, nurses and medical journalists, hypochondria is an occupational hazard. The feeling usually passes after a while, leaving only a funny story to tell at a dinner party. But for the tens of thousands who suffer from true hypochondria, it's no joke. Hypochondriacs live in constant terror that they are dying of some awful disease, or even several awful diseases at once. Doctors can assure them that there's nothing wrong, but since the cough or the pain is real, the assurances fall on deaf ears. And because no physician or test can offer a 100% guarantee that one doesn't have cancer or multiple sclerosis or an ulcer, a hypochondriac always has fuel to feed his or her worst fears."
Sound like you? I know it sounds like me. Apparently we hypochondriacs are becoming a big wasteful clog in the medical system's pipes. And if you found this site by searching the Internet, you, like me, are part of the problem, and there is even a name for us - cyberchondriacs!
"According to one estimate, hypochondria racks up some $20 billion in wasted medical resources in the U.S. alone. And the problem may be getting worse, thanks to the proliferation of medical information on the Internet. 'They go on the Web,' says Dr. Arthur Barsky, a psychiatrist at Harvard Medical School and Brigham and Women's Hospital in Boston, 'and learn about new diseases and new presentations of old diseases that they never even knew about before.' Doctors have taken to calling this phenomenon cyberchondria.'"
Luckily for us, there are those who are taking our situation seriously.
"...a few clinicians, like Barsky and Columbia University neuropsychiatrist Dr. Brian Fallon, have begun to take the condition more seriously. 'It's not correct to say there's nothing wrong with a hypochondriac," Fallon asserts. "There is something wrong, but it's a disorder of thought, not of the body.' And, as he points out, disorders of thought are neither imaginary nor untreatable."
Dr. Fallon realized that hypochondriacs had a lot in common with those who suffer from Obsessive-Compulsive Disorder, or OCD.
"'Both disorders,' he says, 'involve intrusive, worrisome thoughts, the need for reassurance and a low tolerance for uncertainty.' Psychiatrists had lately come to think that OCD could be treated with Prozac and similar drugs, and Fallon decided the medications might work for hypochondria as well. With only 57 subjects, the study was too small to be definitive, but it was certainly promising: about 75% of those who got the drug showed significant improvement."
I can vouch for the fact that since I've been on a low dose of Prozac for the past several years, I am much less apt to go into panic mode and have an anxiety attack when I notice a new symptom, nor am I as apt to immediately assume I have some new disease the second I hear about it (it usually takes at least a few days now!).
Because some of the patients who responded were actually being given placebos, Dr. Fallon concluded there may be other causes of hypochondria, such as depression (stemming from guilt or loss) or a tendency to overanalyze and overreact to every bodily sensation, which is called "somatization."
Whatever the cause, hypochondria becomes a vicious cycle, and it is hard to break. To deal with this, Barsky recommends cognitive behavior therapy.
"'Just as focusing on a pain makes it seem more significant, ignoring it can make it seem much less,' says Barsky. Patients are also instructed to counter panicky thoughts with self-reassurance, reminding themselves, for example, that stomach pain almost never means stomach cancer. Both cognitive therapy and medication seem to work, and at this point it's hard to say whether one is better than the other."
Let's hope both doctors and patients become more aware of hypochondria and try to treat it. This way it will be a win-win for both!
Saturday, March 29, 2008
Updates on Alzheimer's Disease
Those of you who follow my other blog may be aware that in February we had a family crisis of sorts. My father-in-law, who is my mother-in-law's caretaker, was suddenly stricken ill (life-threatening bleeding in his intestines from diverticulosis) and hospitalized. Since we were unable to properly care for my mother-in-law, we needed to find respite care for her until my father-in-law recovered.
We were suddenly plunged head-first into the world of caregiving, and the financial and legal issues associated with it.
With the help of the hospital's social worker, we were able to find my mother-in-law a very nice nursing home for the time-being.
Through the magic of the internet, we found a local attorney who was able to draw up a Power of Durable Attorney document for my father-in-law to sign (up until then we did not have that document, which is very important for any children of elderly parents to obtain). Without it we couldn't access his bank account or other assets to pay for anything he or my mother-in-law needed.
Then we consulted with an eldercare attorney to get direction on the best way to handle the situation going forward.
Currently my father-in-law is back home while my mother-in-law is still in the nursing home while we figure out what the next step should be. Should she stay permanently in the nursing home? Or is she still well enough to live at home, albeit with help? My father-in-law now admits that her care is too much for him, especially after his recent health problem. But if she goes permanently into a nursing home, the financial implications become problematic.
As it is, we may have waited too long to address some of these eldercare issues, because it is uncertain whether we will be able to get Power of Attorney for my mother-in-law since she may not be deemed competent to sign the document; in that case it means going to court to obtain guardianship for her - which will involve about two more months of time and a $3000 legal bill.
We also learned that because both of my in-laws' names are on the deed to their house, both of their signatures would be required to sell the house if they need to sell. If my MIL is not competent, then my father-in-law or we need guardianship so we can sign in her stead.
The reason I'm sharing all this with you is for those who may have relatives in a similar situation. I hope you will heed my tale as a warning to go get the advice and legal documents you need before an emergency arises that forces you to do it. It would be a lot less stressful that way!
The Family Caregiver Alliance contains a wealth of information on all aspects of caregiving and eldercare issues if you would like more information about this important subject.
Now, on to the news:
Researchers at Rhode Island Hospital and Brown University learned that people with early Alzheimer's Disease were involved in more crashes and performed more poorly on road tests than those without the disease.
I'm sure this comes as no surprise for those of us who have had a parent with Alzheimer's Disease. My father, never a good driver, first got lost more easily and then started hitting things fairly frequently as he began to develop dementia. When he finally had a more serious accident as a result of running a red light, we asked him to stop driving, and he agreed. Luckily no one was hurt.
My husband's grandmother, who hadn't learned to drive until her husband died when she was 70, drove safely for about 10 years until she started to lose her grip. She drove a standard shift car, and one day suddenly couldn't remember how to change gears. That was when my in-laws realized she couldn't drive any more.
If you have a loved one with early dementia and are concerned about their driving, the Caregivers Alliance link above has more information on how best to address this problem.
According to Reuters, the NYU School of Medicine has discovered that PET scans can help diagnose Alzheimer's and other dementias. PET (Positron Emission Tomography) "correctly classified 94 percent of the normal subjects, 95 percent with Alzheimer's disease, 92 percent with dementia with Lewy bodies and 94 percent with frontotemporal dementia."
One of the problems with Alzheimer's Disease in the past has been the difficulty of accurately identifying it in the patient. Because Alzheimer's Disease and other forms of dementia may need different therapies, this is an important finding that should help doctors diagnose Alzheimer's earlier and with more accuracy.
According to the reasearcher, "'Because the incidence of these disorders is expected to increase dramatically as the baby-boom generation ages,' she added, 'accurate diagnosis becomes extremely important, particularly at the early and mild stages of dementia when life-style changes and therapeutic interventions are supposed to be most effective.'"
In other news, researchers at the University of California found that melatonin and light therapy can help Alzheimer's patients remain acclimated to the normal day and night sleep-wake cycle.
Many Alzheimer's patients tend to wake up at odd hours of the night and sleep during the day when they could be interacting with others and participating in activities.
The light therapy is similar to what is used for people with Seasonal Affective Disorder - patients are exposed to bright light for an hour or so in the morning.
For the study at the University of California, Alzheimer's patients were divided into three groups: One got only morning light therapy, one got both morning light therapy plus melatonin at bedtime, and the third group didn't have any special treatment.
It was found that only the group receiving both light therapy and melatonin improved in their daytime alertness.
Since light therapy alone did not show an effect, it is unclear whether it provided any benefit to the group that received melatonin, or whether melatonin alone was responsible for the improvement. Further research needs to be done to clarify this.
Many Alzheimer's patients are recalcitrant when it comes to taking pills and other medications. My mother-in-law is relatively good about this but sometimes she hides a pill in her mouth and spits it out when no one's looking, the same way my cat does when I give him a pill. The solution has been to crush pills in applesauce and have her consume them that way, which works as long as she's in the mood for applesauce.
Last summer, however, the FDA approved an Alzheimer's medication that is delivered in a patch. The medication, Exelon, is a drug for treating mild to moderate Alzheimer's Disease that has already been approved in the form of a capsule and an oral solution. It works similarly to Aricept, another commonly prescribed drug used for Alzheimer's Disease.
The patch, which can be applied to the back, chest or upper arm, delivers the drug in a steady dosage throughout 24 hours, after which it must be replaced with a new one.
A study showed patients using the patch had fewer side effects than with the capsule version of the drug.
Further research continues constantly, so if you have a loved one with this disease or are worried about getting it yourself, don't be discouraged. If you are interested in learning more, please check the National Institute of Neurologic Disorders website.
UPDATE: In doing some further research, I discovered that there have been studies that show Perispinal etanercept (Enbrel, Amgen), an anticytokine therapy that targets excess tumor necrosis factor - alpha (TNF-α) - in the brain, has been shown to produce almost immediate cognitive and behavioral improvement in a patient with moderate Alzheimer's Disease.
The therapy, which has already been approved for use in rheumatoid arthritis, reduces neurological inflammation. It is administered via a once-a-week injection into the cerebro-spinal system. Full research article is available at this site.
Further research must be done, but this seems to be a promising therapy.
Saturday, March 22, 2008
Medical Sabbatical
I still want to write about that cancer, but was sidetracked for the entire month of February due to some family issues. Then I was on vacation for two and a half weeks, and have just gotten back into the swing of things. In addition, politics, my other obsession, has been taking up what time I have had for blogging, on my other site, Mauigirl's Meanderings.
I think to get back to my medical calling over here, I will write some shorter posts about recent medical developments before writing the long post. I hope to have something up in the next day or two!
In the meantime, no, that hacking cough you have is NOT lung cancer. It's from the dry heat in your house. Or the pollen that I hear is already blowing around out there despite the fact that every tree in my area is still starkly naked.
Of course, if the cough doesn't go away please do get it checked out...Just because you're a hypochondriac doesn't mean you don't have a fatal disease!
Saturday, January 5, 2008
Colon Cancer
In the case of colon cancer, I am sorry to report that a friend of mine was just diagnosed with it. I don't yet know all the details, but her symptoms led to an initial diagnosis of some type of ovarian tumor, based on an ultrasound and an MRI. Once surgery was performed, it was discovered the tumor was actually colon cancer that had spread to the ovaries - not a good scenario.
I do not yet know the staging of her cancer since all the tests have not come back yet, but I thought I'd do the research on colon cancer now so there would be plenty of information available once she finds out more.
I am posting this information in hopes that my research may help discover new treatments or information that may help her and her family as they work with her doctors to find the right treatment for her cancer, and help anyone else who may have been diagnosed with this disease.
Colon Cancer - What is it?
Colon cancer, more generally known as colorectal cancer, is any cancer affecting the colon or rectum. The colon is the large intestine and the rectum the last six inches of the large intestine.
Colon cancer usually begins as small, noncancerous clump of cells called adenomatous polyps. Eventually these polyps can become colon cancers.
Because polyps usually cause few symptoms, or in many cases, no symptoms at all, it is important for people to get screened for colon cancer once they reach middle age; usually 50, unless there are risk factors in the family, in which case screening should start earlier.
There are three types of polyps:
- Adenomas: These are likely to turn into cancer.
- Hyperplastic polyps: These rarely turn into cancer.
- Inflammatory polyps: These can follow a flare-up of ulcerative colitis, and can turn cancerous, which is why ulcerative colitis is a risk factor for colon cancer.
Most colon cancers are adenocarcinomas (cancers that begin in cells that make and release mucus and other fluids).
What Are the Symptoms of Colon Cancer?
Often there are no symptoms that show up for colon cancer in its early stages. The symptoms to watch out for are:
- Any change in bowel habits, including diarrhea or constipation or a change in the consistency of your stool that lasts more than a week or two. Narrowing of the stool is another symptom.
- Rectal bleeding or blood in your stool
- Persistent abdominal discomfort, such as cramps, gas or pain
- Abdominal pain with a bowel movement
- A feeling that your bowel doesn't empty completely, or feeling full or bloated
- Unexplained anemia
- Weakness or fatigue
- Unexplained weight loss
According to Medicinenet.com (link below), colon cancer may be present for several years before symptoms develop. Symptoms vary according to where in the large bowel the tumor is located. The right colon has plenty of room, and cancers of the right colon can grow to large sizes before they cause any symptoms. Usually right-sided cancers cause anemia due to the slow loss of blood over a long period of time, which can lead to fatigue, weakness and shortness of breath. Because the left colon is narrower than the right colon, cancers of the left colon are more apt to cause partial or complete bowel obstruction.
What Are the Causes and Risk Factors for Colon Cancer?
There are a number of factors that put a person at higher risk for colon cancer:
Age: About 90 percent of people diagnosed with colon cancer are older than 50. Only about 10% of colon cancer cases occur in younger people.
A personal history of colorectal cancer or polyps: Naturally it makes sense that if a person has already had colon cancer they would have a risk of colon cancer again in the future. However, people who have had a history of adenomatous polyps also have a higher likelihood of getting colon cancer and will need regular screening.
Inflammatory bowel disease/conditions: Chronic conditions such as ulcerative colitis and Crohn's disease can increase the risk of colon cancer.
Genetics: Inherited syndromes passed through the family can increase the risk of colon cancer. Inherited conditions account for only about 5 percent of all colon cancers.
One such genetic condition is called familial adenomatous polyposis (FAP), which is a rare disorder that causes thousands of polyps to develop in the lining of the colon and rectum. People with untreated FAP have >90% chance of developing colon cancer by age 45.
Hereditary nonpolyposis colorectal cancer (HNPCC), which is also called Lynch syndrome, is more common than FAP. Sufferers of Lynch syndrome also tend to develop colon cancer at an early age. Both FAP and HNPCC can be detected through genetic testing.
Certain HNPCC patients are also at risk of developing uterine cancer, stomach cancer, ovarian cancer, and cancers of the ureters (the tubes that connect the kidneys to the bladder), and the biliary tract (the ducts that drain bile from the liver to the intestines).
MYH polyposis syndrome is another, recently discovered, hereditary colon cancer syndrome. Affected people tend to develop 10-100 polyps starting at around 40 years of age, and are at high risk of developing colon cancer.
According to Medicinenet.com, "Among first-degree relatives of colon cancer patients, the lifetime risk of developing colon cancer is 18% (a threefold increase over the general population in the United States).
Even though family history of colon cancer is an important risk factor, majority (80%) of colon cancers occur sporadically in patients with no family history of colon cancer. Approximately 20% of cancers are associated with a family history of colon cancer. And 5 % of colon cancers are due to hereditary colon cancer syndromes. Hereditary colon cancer syndromes are disorders where affected family members have inherited cancer-causing genetic defects from one or both of the parents."
Family history of colon cancer and colon polyps: If a person has a parent, brother or sister or a child with colon cancer, this too is a risk factor. This may be a hereditary connection or it might be due to mutual exposure to an environmental toxin, diet or lifestyle that leads to the condition.
Diet: Colon cancer and rectal cancer may be associated with a diet low in fiber and high in fat and calories. It is believed that the breakdown products of fat metabolism lead to the formation of cancer-causing chemicals. Some studies have found an increased risk of colon cancer in people who eat diets high in red meat and processed meats. Lack of fruits and vegetables may be part of the picture, since increased consumption of these foods seems to have a protective effect against colon cancer.
Lack of exercise: If a person is inactive, they are more likely to develop colon cancer, possibly by causing waste to stay in the colon longer.
Diabetes: People with diabetes and insulin resistance may have an increased risk of colon cancer. Just one more reason to try to avoid diabetes; it seems to be implicated in so many other diseases.
Obesity: People who are obese have an increased risk of colon cancer and an increased risk of dying of colon cancer when compared with people considered normal weight. Of course, obesity also may be associated with a high fat diet, sedentary lifestyle, and diabetes, so it may all be connected.
Smoking: People who smoke cigarettes may have an increased risk of getting colon cancer - and of dying of it.
Heavy Use of Alcohol: Heavy drinking may increase the risk of colon cancer.
Growth hormone disorder: Acromegaly, an uncommon disorder that causes an excess of growth hormone in the body, may increase the risk of colon polyps and colon cancer. (Sounds to me as if the use of human growth hormone by sports figures might not be a good idea).
Previous radiation therapy for cancer: Radiation therapy directed at the abdomen to treat previous cancers may increase the risk of colon cancer.
How Is It Diagnosed?
There are a number of screening methodologies available to find colon cancer before it is advanced enough to cause symptoms - and at a stage where it is most curable.
Unfortunately, none of them are very appealing to people, which is why many people avoid the whole subject. This is tragic, since when caught early, colon cancer is very curable. In fact, some of the screening methods actually prevent it from developing in the first place by removing polyps before they have a chance to go bad.
The following are the screening techniques currently used to detect colon cancer:
- Fecal occult blood test: This is a fancy way of saying it's a test to detect hidden (occult) blood in the stool. It can be done in the doctor's office, or by using a kit at home. If blood is detected, the doctor would then order more tests to find out the cause. Blood in the stool does not always mean cancer; it can be caused by a polyp that has not yet become cancerous, certain foods or medications (such as aspirin), or hemmorrhoids. A negative test for occult blood is not a guarantee of no cancer, either: Not all cancers bleed, and some only bleed occasionally, so they can be missed. This test, however, is least invasive and more apt to be performed willingly by the patient. A digital rectal exam may also be performed to check for growths or blood in the lower part of the rectum.
- Flexible Sigmoidoscopy: For this test, the lower colon must be cleaned out ahead of time, usually through an enema; the sigmoidoscopy is usually done in the doctor's office, where the doctor examines the last two feet (1/3) of the colon for polyps or other anomalies, using a slender, flexible lighted tube. The colon is inflated with air to enable the doctor to examine the colon. The drawback to this test is that since it only examines part of the colon, polyps or growths farther up will not be detected. I had one of these once after I'd noticed blood in my stool (it turned out to be hemmorrhoids).
- Barium Enema: In this test, barium is inserted into the cleaned colon, with or without air added. Barium is a contrast dye that enables the doctor to see irregularities along the colon walls through X-ray examination. Sometimes a flexible sigmoidoscopy is done as well. The barium enema is not able to identify small cancers and small polyps. A colonoscopy is usually recommended if suspicious lesions are sighted in the barium enema test, since no sampling is possible during this test.
- Colonoscopy: The gold standard of colon cancer screening, the colonoscopy enables the physician to examine the full length of the colon with a flexible lighted tube, similar to the one used in sigmoidoscopy, with a video camera and monitor attached. The colon must be thoroughly cleaned out ahead of time; the patient must consume a laxative solution the night before. The beauty of the colonoscopy is that the doctor is able to remove polyps or other suspicious growths with the colonoscope, and find out whether they are cancerous. As mentioned previously, removal of the polyps can actually prevent cancer since they will no longer have the opportunity to develop into cancer once they are removed. Patients are under sedation during this procedure so there is no discomfort; most people do not remember the experience due to new medications that are used. If nothing suspicious is found during the colonoscopy, patients are advised to have another one in 7-10 years.
I had a colonoscopy at age 47, since both of my parents have had polyps. I didn't feel a thing and felt fine afterwards. I am due for another this year and you can be sure I'm going to get it.
- Virtual Colonoscopy: Although many insurance companies do not yet cover this method, it is becoming more popular since it is not invasive. The patient cleans the colon ahead of time, similar to preparation for the standard colonoscopy, but instead the procedure is a simple computerized tomography (CT) scan. There is no sedation, no recovery needed; and no risk of perforating the colon. However, the colon does need to be filled with air, which is uncomfortable. Virtual colonoscopy is not as good as the real thing in finding very small polyps or flat lesions on the wall of the colon. In addition,if anything is seen on the scan, the patient would still need a standard colonoscopy to follow up, since there is no way to sample anything suspicious that is seen.
All of the invasive methods carry some risk of perforating the colon; however, the benefits of screening far outweigh the risks.
If a person presents to the doctor with actual symptoms, rather than just needing a routine screening, usually a colonoscopy would be ordered so as to enable the physician to take biopsies of anything that is found. When it is less clear that the symptoms are colon-related, MRIs, CT scans or ultrasounds may be ordered first.
If cancer is diagnosed, the next step is staging. The first step may be to have a CT scan of the abdomen and a chest X-ray to make sure nothing has spread yet.
How Is Colon Cancer Treated?
Surgery is the first line of treatment for colon cancer. It is important to remove as much of the cancer as possible, and also to remove lymph nodes in the abdomen to help stage the cancer and prevent it from spreading.
Depending on how much of the colon is affected, the patient may need to have more or less of it removed. In some cases the entire colon has to be removed; in others, just a section - and in some cases, only the cancerous polyp needs to be taken out.
During surgery, the tumor, a small piece of the surrounding healthy colon, and adjacent lymph nodes are removed. The surgeon then reconnects the healthy sections of the bowel. Recent studies have indicated that the more lymph nodes removed at the time of surgery, the better the prognosis.
If the cancer is in the right or left side of the colon but above the rectum, usually a resection of the colon will work. If the rectum or anal sphincter is involved, it may be necessary for the patient to have a colostomy bag; he or she can no longer defecate and stool goes into the bag instead.
According to EMedicineHealth.com, in the case of early cancers, sometimes there is no further treatment, just follow-up:
"Once your cancerous colon has been removed and you receive any other treatment recommended by your cancer care team, you will see your gastroenterologist or cancer specialist (oncologist) regularly for follow-up visits. These visits will allow your team to see if the cancer has spread and to detect newly formed cancers.
These follow-up visits should include, at minimum, the following:
Colonoscopy within 3 months after your surgery.
Colonoscopy 1 year after surgery and every 3 years after that.
Test for occult (hidden) blood in your stool every year, followed by colonoscopy if the test result is positive.
A screening tool—measurement of carcinoembryonic antigen (CEA) level—is available to test for cancer recurrence following cancer surgery.
CEA is a protein normally found in trace amounts in your bloodstream but is present in increased amounts in people with colon cancer. It is referred to as a tumor marker.
Blood CEA levels should be measured before colon cancer surgery and then at intervals of 2-3 months.
Increasing levels of serum CEA may indicate that colon cancer has come back and that you should seek further evaluation.
Once you have had several blood tests with negative results, you probably don't need to continue the tests indefinitely. However, no one is sure how long you should continue to have the tests."
Colon cancer, as mentioned before, is staged based on how much it has spread. If it is not caught early, further treatment is needed.
What Are the Stages of Colon Cancer?
There are a number of ways to stage colon cancer; there is a simple Stage I-IV method, but the more complex way to stage cancer is to divide up the various aspects of it into the tumor itself, the lymph node involvement, and whether or not it has spread (metastasized). From the Oncology Channel (link below), here is the breakout of these details:
"TNM Staging System (Tumor, Node, Metastasis)
Tumor
T1: Tumor invades submucosa.
T2: Tumor invades muscularis propria.
T3: Tumor invades through the muscularis propria into the subserosa, or into the pericolic or perirectal tissues.
(NOTE: these are all fancy words for the various layers of the intestinal wall).
T4: Tumor directly invades other organs or structures, and/or perforates.
Node
N0: No regional lymph node metastasis.
N1: Metastasis in 1 to 3 regional lymph nodes.
N2: Metastasis in 4 or more regional lymph nodes.
Metastasis
M0: No distant metastasis.
M1 Distant metastasis present.
Stage Groupings
Stage I: T1 N0 M0; T2 N0 M0
Cancer has begun to spread, but is still in the inner lining.
Stage II: T3 N0 M0; T4 N0 M0
Cancer has spread to other organs near the colon or rectum. It has not reached lymph nodes.
Stage III: any T, N1-2, M0
Cancer has spread to lymph nodes, but has not been carried to distant parts of the body.
Stage IV: any T, any N, M1
Cancer has been carried through the lymph system to distant parts of the body. This is known as metastasis. The most likely organs to experience metastasis from colorectal cancer are the lungs and liver."
Treatment may include chemotherapy, radiation, or both. According to Oncology Channel, the following regimens are frequently used:
"Chemotherapy is often used as a first-line treatment for metastatic colorectal cancer to destroy cancer cells that have metastasized (spread). It also may be used prior to surgery (called neoadjuvant therapy) to shrink the tumor, may be administered following surgery (called adjuvant therapy), and may be combined with biological therapy (also called immunotherapy) and radiation therapy.
Newer combinations of chemotherapy drugs, such as FOLFOX (5-fluorouracil [5-FU], leucovorin, and oxaliplatin [Eloxatin®]) and FOFIRI (5-fluorouracil [5-FU], leucovorin, and irinotecan [Camptosar®]) may be used to prevent recurrence following surgery or to shrink the tumor prior to surgery.
A combination of chemotherapy drugs (5-fluorouracil [5-FU], leucovorin, and irinotecan [CPT11]), administered intravenously, is standard treatment for metastatic colorectal cancer. Side effects include diarrhea, mouth irritation (mucositis), low white blood cell count (e.g., neutropenia), and hair loss (alopecia).
Colorectal cancer with liver metastasis also may be treated using floxuridine (FUDR®) administered intra-arterially (i.e., through an artery). Side effects include nausea, vomiting, diarrhea, and inflammation of the intestine (enteritis).
In addition to chemotherapy drugs, blocking agents (e.g., cetuximab [Erbitux®]) may also be used to treat metastatic colorectal cancer. These drugs prevent cancer cell receptors from receiving factors (e.g., epidermal growth factor) that cause cell growth, cell division, and additional metastasis. Blocking agents target specific cells so they usually do not cause systemic side effects. Side effects of these drugs include allergic reactions (e.g., difficulty breathing, hives, low blood pressure, rash).
Bevacizumab (Avastin®) may also be used to treat advanced colorectal cancer. This medication prevents new blood vessels, which are necessary for tumor growth, from forming. It does not affect normal tissues that already have an established blood supply. Side effects include blood clots and high blood pressure, which can be controlled with medication.
(NOTE: Avastin is one of a new class of drugs called angiogenesis inhibitors and they have shown to be quite effective against colon cancer.)
Panitumumab (Vectibix™) is the first entirely human monoclonal antibody approved by the Food and Drug Administration (FDA) to treat patients with metastatic colorectal cancer following chemotherapy. This medication is administered intravenously once every 2 weeks.
Immunotherapy
Immunotherapy, or biological therapy, attempts to stimulate the immune system to fight disease and protect the body from side effects of chemotherapy. Immunotherapy agents that may be used to treat colorectal cancer include bacilli Calmette-Guerin (BCG) and levamisole (Ergamisol®).
Immunotherapy may cause flu-like side effects such as the following:
Chills
Diarrhea
Fever
Loss of appetite
Muscle aches and weakness
Nausea and vomiting
Radiation Therapy
Radiation therapy uses high energy x-rays to destroy cancer cells and shrink tumors. External beam radiation (i.e., radiation from a machine outside the body) may be used in addition to surgery to treat colorectal cancer (called adjuvant therapy). It also may be used to relieve symptoms (called palliative treatment) in patients with metastatic colorectal cancer.
Side effects include fatigue, hair loss, reddened skin, and swelling (edema). Medicines and other treatments can reduce the intensity of the side effects. As with other cancer treatments, the incidence of side effects varies with patient health and the exact nature of the treatment.
Follow-up Treatment
Follow-up care is recommended for colorectal cancer patients to ensure that recurrent or metastatic disease is detected as soon as possible. Patients should undergo regular physical examinations, fecal occult blood tests, colonoscopies, CT scans, and chest x-rays.
Prognosis
Prognosis depends on the stage of the disease and the overall health of the patient. Overall, colorectal cancer patients have a 5-year survival rate of about 61%. The 5-year survival rate is about 92% when the disease is treated before it has spread (metastasized); 64% when the cancer has spread to nearby organs or lymph nodes; and 7% when it has spread to other parts of the body (e.g., liver, lungs)."
Depending on the severity of the disease, some patients may want to try to get into clinical trials. If you have been diagnosed with advanced colon cancer and you are located near a major cancer center, it is possible trials are being held of treatments that are not yet generally available to patients that may be more effective than current methods.
Clinical trials can be found on-line in a number of places. Please see below for some links.
http://bethesdatrials.cancer.gov/colorectal/index.aspx
http://www.mdanderson.org/patients_public/clinical_trials/?Referrer=Google&KW=Cancer_Research&gclid=CObv_IKH4ZACFShsGgodSzLZYA
http://www.fightcolorectalcancer.org/patients/clinicaltrials/index.htm
http://www.mskcc.org/mskcc/html/14075.cfm
http://www.ccalliance.org/patient/clinical/clinical.html
http://clinicaltrials.gov/ct/search?term=colon+cancer
http://www.mayoclinic.org/colon-cancer/clintrials.html
http://www.nlm.nih.gov/medlineplus/colorectalcancer.html#cat27
Be sure to check out the trials available before starting any treatment; always get a second opinion on your treatment before committing to something. For one thing, clinical trials don't always accept patients who have already had other treatments first.
Please note, although these trials are usually "double blind" trials (that is, patients and physicians don't know which patients are getting the experimental treatment), those who do not get the new treatment are given the current accepted treatment for the cancer, so no one gets a placebo.
Will You Get It?
You could, especially if you have any of the risk factors above. Colorectal cancer is the fourth most common cancer in the United States and the second leading cause of cancer death. A person at age 50 has about a 5 percent lifetime risk of being diagnosed with colorectal cancer and a 2.5 percent chance of dying from it.
Most people will not get it if they get screened at the recommended times. Unfortunately, people younger than 50 who have no other risk factors can get it too, and they are younger than the recommended age to start screening.
So any time you notice anything unusual about the way your body feels or how you feel overall, be sure to go to the doctor and get checked out.
And if you do find out you have cancer, always go to experts for your treatment. Get more than one opinion. Go to a major cancer center. I may sound like a broken record, but I'd rather be repetitive than not get the message across. Your life may depend upon it.
Sources:
http://www.medicinenet.com/colon_cancer/article.htm: Medicinenet.com
http://www.mayoclinic.com/health/colon-cancer/DS00035: The Mayo Clinic
http://www.cancer.gov/cancertopics/types/colon-and-rectal: Cancer.gov
http://www.emedicinehealth.com/colon_cancer/article_em.htm: EMedicineHealth.com
http://www.oncologychannel.com/coloncancer/staging.shtml: Oncology Channel
http://www.ahrq.gov/clinic/3rduspstf/colorectal/colorr.htm
For more information/treatments:
http://www.mdanderson.org/diseases/Colorectal/?gclid=CPKkh6fp4JACFRuhFQodBTLrXA: M.D. Anderson
http://www.mskcc.org/mskcc/html/5789.cfm: Memorial Sloan Kettering
http://www.nlm.nih.gov/medlineplus/ency/article/000262.htm: National Institutes of Health
Thursday, December 13, 2007
Prostate Cancer
Luckily, prostate cancer, when found early, is highly curable and in most cases not that aggressive. It is said more men die with prostate cancer than of it.
What is Prostate Cancer?
As it is described in nearly every website on the subject, the prostate is a "walnut-sized gland" located under the bladder and in front of the rectum.
Helpfully, the American Cancer Society also explains that only men have one, which, if you didn't already know this, is good information to have if you're a woman - this means if you are a female hypochondriac it's one cancer you don't have to worry about. (Don't worry, you have several other female-only cancers to choose from that men don't have to worry about, so don't get too smug).
According to the American Cancer Society, over 99% of prostate cancers develop from the "gland cells," which make the fluid that is added to the semen. The cancer arising from this type of cell is called "adenocarcinoma."
Other types of cancer that can start in the prostate gland include sarcomas, small cell carcinomas, and transitional cell carcinomas. Because these other types of prostate cancer are so rare, this post will just focus on adenocarcinoma.
Overall, prostate cancer tends to be slow-growing, and autopsy studies show that many older men who died of other diseases also had prostate cancer. The studies indicate that 70% to 90% of the men had cancer in their prostate by age 80, but in many cases neither they nor their doctors even knew they had it.
How Is It Diagnosed?
In the past, men frequently didn't receive a diagnosis until symptoms showed up, by which time it often was too late. Now there are methods available that can diagnose prostate cancer at a much earlier stage. From the Mayo Clinic website: the following screening tests are used today:
Digital rectal exam (DRE). During a DRE, your doctor inserts a gloved, lubricated finger into your rectum to examine your prostate, which is adjacent to the rectum. If your doctor finds any abnormalities in the texture, shape or size of your gland, you may need more tests.
Prostate-specific antigen (PSA) test. A blood sample is drawn from a vein and analyzed for PSA, a substance that's naturally produced by your prostate gland to help liquefy semen. It's normal for a small amount of PSA to enter your bloodstream. However, if a higher than normal level is found, it may be an indication of prostate infection, inflammation, enlargement or cancer.
Memorial Sloan Kettering recommends the following criteria in interpreting PSA tests:
"To balance the influence of age on PSA levels, the following age-specific PSA level cut-offs should be considered:
Greater than or equal to 2.5 ng/mL for men up to age 49
Greater than or equal to 3.5 ng/mL for men aged 50 to 59
Greater than or equal to 4.0 ng/mL for men aged 60 and older.
Men with values outside their age-allowed targets should be considered as candidates for prostate biopsy.
For those men being screened for PSA velocity, a PSA velocity of greater than or equal to 0.75 ng/mL per year should necessitate a prostate biopsy -- even if the PSA level is in the normal range."
There are differences of opinion among experts about PSA testing. The American Cancer Society recommends that both the PSA and DRE should be offered annually, beginning at age 50, to men who have at least a 10-year life expectancy. However, men at high risk, which includes African American men and men with a strong family history of close relatives diagnosed at an early age, should begin testing at age 45.
Experts in favor of regular screening believe that finding and treating prostate cancer early offers men more treatment options with potentially fewer side effects. Those who recommend against regular screening feel that because most prostate cancers grow so slowly, the side effects of treatment would likely outweigh any benefit that might be derived from detecting the cancer at a stage when it is unlikely to cause problems. Although the jury is out on this one, given that two of my friends discovered their cancers solely through an abnormal PSA test, I tend to believe in testing.
The following tests are used to diagnose prostate cancer if the initial DRE and PSA tests raise a red flag. (From the Mayo Clinic site):
"Transrectal ultrasound. If other tests raise concerns, your doctor may use transrectal ultrasound to further evaluate your prostate. A small probe, about the size and shape of a cigar, is inserted into your rectum. The probe uses sound waves to get a picture of your prostate gland.
Prostate biopsy. If initial test results suggest prostate cancer, your doctor may recommend a prostate biopsy. During a biopsy, small tissue samples are taken and analyzed to determine if cancer cells are present.
To do a biopsy, your doctor inserts an ultrasound probe into your rectum. Guided by images from the probe, your doctor identifies any suspicious areas. Then a fine, hollow needle is aimed at these areas of your prostate. A spring propels the needle into your prostate gland and retrieves a very thin section of tissue."
The biopsy could show either no cancer, precancerous or cancerous cells.
It is believed that prostate cancer begins with a pre-cancerous condition called "prostatic intraepithelial neoplasia" or PIN. Almost half of all men have this condition by the time they reach 50. Under a microscope, the gland cells with PIN appear changed, but not invasive. They can be low-grade (almost normal) or high-grade (more abnormal).
Doctors recommend that men with high-grade PIN be watched carefully and a repeat biopsy may be necessary.
Another type of precancerous condition that may be found is "atypical small acinar proliferation," or ASAP, sometimes known as "atypia." It just means there are some possibly cancerous cells showing up in the biopsy, but not enough to be sure. If ASAP is found, there's about a 40% to 50% chance that cancer is also present in the prostate, which means it's best to get a repeat biopsy within a few months. You might think of "ASAP" as meaning "get another biopsy ASAP!"
If the cells that are evaluated turn out to be cancer, then there may be more tests ordered to understand how advanced the cancer is, if there is a possibility cancer may have spread (from the Mayo Clinic website):
"Bone scan. A bone scan takes a picture of your skeleton in order to determine whether cancer has spread to the bone. Prostate cancer can spread to any bones in your body, not just those closest to your prostate, such as your pelvis or lower spine.
Ultrasound. Ultrasound not only can help indicate if cancer is present, but also may reveal whether the disease has spread to nearby tissues.
Computerized tomography (CT) scan. A CT scan produces cross-sectional images of your body. CT scans can identify enlarged lymph nodes or abnormalities in other organs, but they can't determine whether these problems are due to cancer. Therefore, CT scans are most useful when combined with other tests.
Magnetic resonance imaging (MRI). This type of imaging produces detailed, cross-sectional images of your body using magnets and radio waves. An MRI can help detect evidence of the possible spread of cancer to lymph nodes and bones.
Lymph node biopsy. If enlarged lymph nodes are found by a CT scan or an MRI, a lymph node biopsy can determine whether cancer has spread to nearby lymph nodes. During the procedure, some of the nodes near your prostate are removed and examined under a microscope to determine if cancerous cells are present."
Once a cancer is identified and necessary tests are done, Grading and Staging can be performed. These evaluations help you and the doctor decide on your treatment.
Grading
Grading is the process by which cancer cells are evaluated in terms of how aggressive they may be. The most common cancer grading scale runs from 1 to 5, with 1 being the least aggressive form of cancer.
The pathologist then assigns scores to the cancer, called Gleason scores. The Gleason score adds the grades of the two most aggressive types of cancer cells found in the tissue, so scoring may range from 2 (non-aggressive cancer) to 10 (very aggressive cancer).
Staging
The next step is called staging, which determines if or how far the cancer has spread:
Stage I. Signifies very early cancer that's confined to a microscopic area; it cannot be felt by the doctor.
Stage II. The cancer can be felt, but it remains confined to your prostate gland.
Stage III. Cancer has spread beyond the prostate to the seminal vesicles or other nearby tissues.
Stage IV. The cancer has spread to lymph nodes, bones, lungs or other organs.
What Symptoms Can Prostate Cancer Cause?
Although early prostate cancer doesn't cause any noticeable symptoms, eventually it can cause the following:
-Dull pain in your lower pelvic area
-Urgency of urination
-Difficulty starting urination
-Painful urination
-Weak or intermittent urine flow;dribbling
-A feeling that your bladder doesn't empty
-Frequent urination, especially at night
-Blood in the urine
-Painful ejaculation
-General pain in the lower back, hips or upper thighs
-Loss of appetite and weight
-Bone pain
Please don't panic if you do have some of these symptoms, as there are other conditions that can cause them. One of the most common is BPH, or benign prostatic hyperplasia. This is a harmless enlargement of the prostate caused by changes in the body's hormone levels. In older men, the inner part of the prostate around the urethra may continue to grow, and eventually cause problems leading to symptoms such as frequent urination, difficulty urinating, urination during the night, etc. Although this is a benign condition, it is important to get symptoms checked out and make sure that they aren't caused by cancer. BPH can be treated with medications, or if it is more severe, a surgical procedure called a TURP can solve the problem.
What are the Risk Factors for Prostate Cancer?
Age
Age is the strongest risk factor for prostate cancer; the chance of getting it rises quickly over the age of 50. Two-thirds of prostate cancers are found in men over 65.
Race/Ethnicity
Prostate cancer occurs more often in African-American men than in men of other races. African-American men are also more likely to be diagnosed at an advanced stage, and are more than twice as likely to die of prostate cancer as white men.
Conversely, prostate cancer occurs less often in Hispanic, American Indian, and Asian/Pacific Island men than in non-Hispanic whites. It is not known why these differences occur. (See chart below from the CDC for a comparison).
Nationality
Prostate cancer is most common in North America, northwestern Europe, Australia, and on Caribbean islands. It is less common in Asia, Africa, Central America, and South America. Intensive screening in the more developed countries may account for some of this difference, but other factors, such as lifestyle differences (diet, etc.) may be important as well.
Family History
Prostate cancer seems to run in some families, so there may be a genetic factor. Having a father or brother with prostate cancer more than doubles a man's risk of developing this disease. (The risk is higher for men with an affected brother than for those with an affected father.) The risk is much higher for men with several affected relatives, especially if their relatives were young at the time the cancer was found.
Scientists have found several genes that seem to raise prostate cancer risk, but they probably account for only a small number of cases overall. Genetic testing for these genes is not yet available.
(One of my friends, who was diagnosed with prostate cancer through a routine PSA test, immediately called his brothers and told them to be checked - and a good thing, too. One of his brothers was also diagnosed with prostate cancer as a result of his warning.)
Some inherited genes raise the risk for more than one type of cancer. For example, inherited mutations of the BRCA1 or BRCA2 genes, which lead to breast and ovarian cancers, may also increase prostate cancer risk in some men. So if there seems to be a pattern of women in a family with breast or ovarian cancer, the men in the family may be at a higher risk of prostate cancer and should be checked.
Diet
A number of dietary factors may raise risk of prostate cancer. Men who eat a lot of red meat or high-fat dairy products appear to have a slightly higher chance of getting prostate cancer. These men also tend to eat fewer fruits and vegetables, so it is not clear whether it is the presence of the red meat and dairy or the absence of fruits and vegetables that is to blame. A diet high in fat also seems to be a risk factor.
Some studies have suggested that men who consume a lot of calcium may also have a slightly higher risk; this may be why dairy products are associated with a higher risk as well.
Obesity
Although being obese does not seem to be linked with a higher risk of getting prostate cancer, several studies have found that obese men may be at greater risk for having more advanced prostate cancer and of dying from prostate cancer. The reasons for this are not clear, although it may be the connection with higher fat diets and higher fat levels in the body that does it.
Infection and Inflammation of the Prostate
Some studies have suggested that prostatitis (inflammation of the prostate gland) may be linked to an increased risk of prostate cancer. Inflammation is often seen in samples of prostate tissue that also contain cancer.
Can Prostate Cancer be prevented?
Eating more fruits and vegetables, particularly tomatoes, may confer some protection. Lycopene, a substance found in tomatoes, which is also available as a supplement, may help as well. One study has shown that pomegranate juice may be protective. Several other agents, including difluoromethylornithine (DFMO), isoflavonoids, selenium, and vitamins D and E have shown potential benefits in studies. Further studies are needed to confirm this.
A drug calle finasteride is being studied as a possible preventive agent, as it lowers testosterone levels, as this hormone is another factor in developing prostate cancer.
How is Prostate Cancer Treated?
Treatments options vary depending on the grade and stage of the cancer, the patient's age and overall life expectancy. Many factors must be taken into account, including the patient's own attitude toward the cancer. Some people just want to have the cancer removed, and are not as concernd with side effects, while others are more focused on their quality of life afterward. These concerns may result in different treatment choices even within the same stage of cancer. Following are some options recommended by the American Cancer Society.
Stage I
Since these prostate cancers are small and not aggressive, for elderly patients "watchful waiting" (by following PSA numbers) may be preferred. Other choices may be radiation therapy (either external beam therapy or the implantation of radioactive seeds (called brachytherapy).
Men who are younger and healthy may consider watchful waiting, radical prostatectomy (complete surgical removal of the prostate), or radiation therapy (external beam or brachytherapy).
Stage II
Stage II cancers that are not treated with surgery or radiation are more likely to eventually spread and cause symptoms. However, for elderly men who have other health problems, watchful waiting may still be the best option if the cancer isn't causing symptoms. These men are still more likely to die of something else rather than prostate cancer. However, surgery or radiation therapy may also be options for them.
For younger men who are healthy overall, radical prostatectomy (often with removal of the pelvic lymph nodes) may be the preferred choice. This may be followed by external beam radiation if the cancer is found to have spread beyond the prostate at the time of surgery, or if the PSA level is still detectable several weeks after surgery. This may be either external beam radiation, brachytherapy, or a combination of both. Participation in a clinical trial may be considered in order to take advantage of newer treatments. For aggressive cancers (as measured by Gleason score and PSA level), hormone therapy (to block the production of testosterone) may be added.
Stage III
Stage III cancers have spread beyond the prostate gland but have not reached the bladder, rectum, lymph nodes, or distant organs.
Treatment options at this stage may include:
-external beam radiation plus hormone therapy
-hormone therapy only
-radical prostatectomy in selected cases (often with removal of the pelvic lymph nodes). This may be followed by radiation therapy.
-watchful waiting for older men whose cancer is causing no symptoms or for those who have another more serious illness
-taking part in a clinical trial of newer treatments
Stage IV
Stage IV cancers have already spread to the bladder, rectum, lymph nodes, or distant organs such as the bones. These cancers are not considered to be curable, but treatment can be palliative and prolong life.
Treatment options may include:
-hormone therapy
-external beam radiation plus hormone therapy (in selected cases)
-surgery (TURP) to relieve symptoms such as bleeding or urinary obstruction
-watchful waiting for older men whose cancer is causing no symptoms or for those who have another serious illness
-taking part in a clinical trial of newer treatments
If symptoms are not relieved by standard treatments and the cancer continues to grow and spread, chemotherapy may be considered.
Treatment of stage IV prostate cancer may also include treatments for relief of symptoms such as pain.
One of the people I knew who had prostate cancer was a friend's father, who was diagnosed when he was nearly 80. Given his age and other health problems, and the stage of his cancer (which must have been III or IV), he was treated with hormones only. He lived about 18 months after his diagnosis.
For more details on all of the types of treatments, please see the Mayo Clinic website.
What Happens Next?
After prostatectomy, PSA levels are monitored to ensure the cancer is not returning. Since surgery removes the entire prostate, PSA levels should be undetectable afterward.
After radiation therapy, PSA is also monitored, but since the prostate has not been removed, the levels are not expected to be undetectable. A PSA that is rising on consecutive tests after treatment might indicate that cancer is still present.
For recurrent prostate cancer, the same treatments are available, depending on what has already been tried. If a patient has already had radiation treatment, for instance, then radiation treatment would not be an option if the cancer recurs. Surgery may still be an option, as is hormone therapy. For those whose cancer does not respond to hormone therapy, chemotherapy can extend life and reduce pain.
All treatments have side effects, varying from discomfort to impotence. It is important to understand the risks of these side effects before starting any treatment; be sure to discuss them with your doctor and make sure the doctor understands what your priorities are.
As with all cancers, when you are diagnosed, be sure to consult with various experts, including an oncologist and a radiation oncologist, as well as a surgeon, to truly understand your options. In addition be sure to consult with a major cancer center such as M.D. Anderson, Memorial Sloan Kettering, the Mayo Clinic, Johns Hopkins, or Dana Farber.
Will You Get It?
According to the American Cancer Society, about 1 man in 6 will be diagnosed with prostate cancer during his lifetime, but the good news is, only 1 man in 35 will die of it. If you have some of the risk factors mentioned above, then just make sure to get regular checkups and even if you do get it, you will likely catch it early and be cured.
Over 90% of these cancers are now found while they are still confined to the prostate gland, making them highly curable. Five-year survival rates are now at 99% for these men; for those whose cancer has spread to distant parts of their body, only 1/3 survive 5 years.
Sources used for this article:
http://www.cancer.org/docroot/CRI/CRI_2_3x.asp?dt=36 (American Cancer Society)http://www.mskcc.org/mskcc/html/403.cfm (Memorial Sloan Kettering)http://www.mayoclinic.com/health/prostate-cancer/DS00043 (Mayo Clinic)
Other excellent sources of detailed information, including the latest news and other resources on Prostate Cancer:
http://www.nlm.nih.gov/medlineplus/prostatecancer.html (Medline Plus)http://www.cancer.gov/cancertopics/types/prostate (National Cancer Institute)http://www.prostatecancerfoundation.org/ (Prostate Cancer Foundation)http://www.webmd.com/prostate-cancer/default.htm (Web MD)
Saturday, December 1, 2007
Back Again
In other words, I should have time to post on this blog again and give you all some new medical information. Many apologies for the long silence.
I have not yet written the next post but have two topics pending that I intend to write about very soon. One will be on prostate cancer and the other on ovarian cancer. I've known several people with the former (one of whom was just diagnosed) and I know someone else with ovarian cancer, and would like to do research to understand more about what causes these cancers, learn how they are treated, and find out whether there are any new treatments being studied today.
So, hang in there, and I'll be posting a real post shortly!
Monday, November 5, 2007
Be Careful When Searching the Internet
And, in this blog, I have often urged you to do your own research on diseases so you'll be knowledgeable.
However, be careful. An article I came across on the Internet, while not recent, is still worth reading, even several years later. The point of the article is to be cautious when you search for medical information on the Internet.
The author refers to a study (whose link is now outdated, another problem with Internet research) that cited several problems with finding reliable health care information on the web:
"Two reasons have to do with the knowledge and skill of web users. Many consumers' ability to locate and evaluate health information online is hindered by access barriers for older, less well off, disabled, and non-English speaking Americans. Many people also lack critical thinking skills, having problems distinguishing credible health information from that which is not trustworthy.
The study also found problems with the web itself. Many web sites contain inaccurate, outdated or incomplete information. And of particular note, the study found that many consumers had a lack of knowledge about how search engines retrieve results, and didn't realize that paid placements listings can be featured prominently on search engine result pages without regard to quality."
In my experience with researching medical subjects on the Internet, I use the following "rules" when I search:
- Never use information from a site that is also a source to purchase an herbal or pharmaceutical product.
- Always look for mainstream sites such as the ones listed down the side of this blog in order to do your primary research on a disease or condition, e.g., The CDC, The Mayo Clinic, Memorial Sloan-Kettering, National Institutes of Health, etc.
- Be sure to check the dates of the information you find. An article that may have been perfectly true several years ago may be hopelessly outdated now; some of these articles live forever on line.
- Before believing any information you find, be sure that it is consistent with the preponderance of data you find on the major medical sites. If you see some miraculous cure for something that is not mentioned elsewhere, take it with a large grain of salt.
- Whenever possible, if an article you find references a medical study, go to the original study to confirm the findings. Articles written for laypeople often "dumb down" the results of a study, or emphasize one aspect of it without covering the whole picture. Pub Med is a good source to look up medical studies, or you can search for the name of the study on Google. Even if you don't understand all of the technical language, you can at least double check to make sure the gist of the original article was correct.
- Beware of quacks. If you find information on a doctor's site that you have no familiarity with, ignore information from that site unless it is backed up by the same data from a reliable source.
- Never rely solely on the Internet for your diagnosis or treatment. It should only be a tool to help you talk to your doctor when you go for your appointment.
The Internet can be a very useful tool for those who use it wisely. You can learn what the latest treatment protocols are for your condition so you can ask your doctor about them, you can find clinical trials on line, you can learn to understand your disease or condition better, or you can look up your symptoms and find out what they may be caused by.
But be careful out there, as there is still a lot of uncharted territory.
The most important thing is to have a doctor you trust, who really listens to you when you tell them what is wrong.
Sunday, October 21, 2007
MRSA: A Plague for the 21st Century?
Before you hole up in your house and refuse to mingle with the general population, perhaps it would make sense to learn more about this “superbug” that is casting fear into the hearts of Americans everywhere.
First of all, you may ask, what is staphylococcus aureus?
Usually fondly referred to by its nickname, “Staph,” it is a bacterium that can cause a number of different illnesses, from superficial skin infections to systemic illness that can be fatal. The germ is found almost anywhere on the skin and is usually harmless. However, once in your body it can cause havoc.
I had a friend when I was young who got a staph infection from stepping on a tent stake, point-up (even now the mere idea of stepping on a tent stake gives me the horrors). She was hospitalized for over a week receiving intravenous antibiotics to quell the infection from staph germs that had gotten into her bloodstream. Luckily, being a strong, healthy 12-year-old, she recovered.
So, what is Methicillin?
Methicillin is a synthetic type of penicillin that was developed in 1959, when many drugs had already developed resistance to the original penicillin. By 1961, staph germs resistant to the drug had already been discovered, and subsequently additional drugs were introduced to fight the resistant strains. As time went on, the wily staph germ became resistant to a number of drugs, not just Methicillin, although these resistant bugs are still generically known as “Methicillin Resistant Staphylococcus Aureus.”
Currently the most resistant types of MRSA can only be attacked by what some call “the drug of last resort”: Vancomycin. When my father was hospitalized for depression in our local hospital a few years ago at age 88, he caught pneumonia while he was in the psychiatric ward. (It’s bad enough being depressed without getting pneumonia!). Because he caught it in the hospital, they immediately assumed the cause was a resistant bug and put him on I.V. Vancomycin. Thankfully, he recovered.
(By the way, here is a great term for you: A disease or condition that occurs as a result of hospitalization is called a “nosocomial” disease. It is kind of concerning to me that this happens so often that they have an official word for it. Just something to think about next time you’re hospitalized…)
MRSA is actually very common, and while it is concerning, there is something much scarier out there: Vancomycin Resistant Staphyloccocus Areus, or VRSA, which was first noted in the United States in a Michigan man in 2002. While still rare, and so far confined to people with chronic medical conditions (e.g., kidney failure) requiring catheterization or other invasive procedures, it is very concerning to know that MRSA is starting to become immune to Vancomycin. There are still a couple of other drugs that have been able to treat these very resistant bacteria, but unless science continues to develop new antibiotics, eventually these too will become ineffective.
MRSA can be acquired in two ways: through exposure through the healthcare system, or through the community without direct contact with the healthcare system. I’ll address both types here:
Healthcare-Associated MRSA:
According to the CDC:
“MRSA occurs most frequently among patients who undergo invasive medical procedures or who have weakened immune systems and are being treated in hospitals and healthcare facilities such as nursing homes and dialysis centers. MRSA in healthcare settings commonly causes serious and potentially life threatening infections, such as bloodstream infections, surgical site infections, or pneumonia.
In addition to healthcare associated infections, MRSA can also infect people in the community at large, generally as skin infections that may look like pimples or boils and can be swollen, painful and have draining pus. These skin infections often occur in otherwise healthy people.”
Hospitals have always been reservoirs of infection, even though healthcare providers have known for over a century that hand washing will cut down drastically on the spread of infection. However, CDC data show that the proportion of infections that are antimicrobial resistant has been growing. In 1974, MRSA infections accounted for two percent of the total number of staph infections; in 1995 it was 22%; in 2004 it was 63%.
The good news is that disinfection and stringent attention to hygiene can cut back on the spread of these infections in the hospital or at clinics and other medical settings. See the CDC website for more information on the precautions recommended to prevent the spread of drug-resistant staph in the medical community.
What about the Community-Associated MRSA?
This is the type that is getting all the bad press right now. The CDC definition of Community-Associated MRSA is:
“MRSA infections that are acquired by persons who have not been recently (within the past year) hospitalized or had a medical procedure (such as dialysis, surgery, catheters) are known as CA-MRSA infections. Staph or MRSA infections in the community are usually manifested as skin infections, such as pimples and boils, and occur in otherwise healthy people.”
What are the symptoms of MRSA?
According to Medicinenet.com,
“Most MRSA infections are skin infections that produce the following signs and symptoms:
Cellulitis (infection of the skin or the fat and tissues that lie immediately beneath the skin, usually starting as small red bumps in the skin),
Boils (pus-filled infections of hair follicles),
Abscesses (collections of pus in under the skin),
Sty (infection of eyelid gland),
Carbuncles (infections larger than an abscess, usually with several openings to the skin), and
Impetigo (a skin infection with pus-filled blisters).”
However, MRSA can spread from the skin to almost any organ in the body, resulting in a severe, even life-threatening illness, particularly among those with lowered immunity.
Symptoms to watch out for are:
-Fever
-Chills
-Low blood pressure
-Joint pain
-Severe headaches
-Rash over much of the body
How is MRSA transmitted?
It is usually spread in one of two ways:
One way is through physical contact with someone who is infected with, or a carrier of, MRSA. The second way is “for people to physically contact MRSA on any objects such as door handles, floors, sinks, or towels that have been touched by an MRSA-infected person or carrier.
Normal skin tissue in people usually does not allow MRSA infection to develop; however, if there are cuts, abrasions, or other skin flaws such as psoriasis (chronic skin disease with dry patches, redness, and scaly skin), MRSA may proliferate. Many otherwise healthy individuals, especially children and young adults, do not notice small skin imperfections or scrapes and may be lax in taking precautions about skin contacts. This is the likely reason MRSA outbreaks occur in diverse types of people such as school team players (like football players or wrestlers), dormitory residents, and armed-services personnel in constant close contact.”
How is it diagnosed?
MRSA is easily identified through taking a sample of the skin, pus, blood or urine of an affected person and sending it to a lab to be cultured to see whether S. aureus is present. If the bacteria grow in the Petri dish in the lab, then they are exposed to antibiotics, including methicillin, to find out whether they are resistant. If so, then the patient is diagnosed as MRSA-infected. If someone is suspected as being a carrier, the same procedure is done, but by swabbing the skin or mucous membranes, not through a biopsy.
How is it treated?
MRSA can still be treated with some antibiotics, including Vancomycin and others such as Linezolid. For MRSA carriers, mupirocin antibiotic cream can eliminate MRSA from mucous membrane colonization. The best way to proceed is to determine which antibiotic can kill the MRSA and use it alone or, more often, in combination with additional antibiotics. Since resistance can change quickly, antibiotic treatments may need to change also. It is extremely important for patients infected with MRSA to take the entire course of antibiotics that are prescribed, and not stop just because they feel better. This can lead to additional resistance.
Patients infected in the community usually fare well; hospitalized patients, not so much. Since they are usually ill in the first place, being in the hospital, they are more likely to develop the serious forms of the illness. As reported by the Kaiser Foundation, “As many as 1.2 million U.S. hospital patients are infected with methicillin-resistant staphylococcus aureus each year, nearly 10 times as many as previously estimated,” and the mortality rate is estimated to be between 4%-10%.
How can you avoid getting MRSA?
Avoiding direct contact with skin, clothing, and any items that come in contact with either MRSA patients or MRSA carriers, or anyone you think might be one, is the best way to avoid MRSA infection. However, unless you want to become a germophobic recluse like Howard Hughes, this may not work very well.
However, to minimize the possible spread of infection, people can treat and cover (for example, antiseptic cream and a Band-Aid) any skin breaks and use excellent hygiene practices (for example, hand washing with soap after personal contact or toilet use, washing clothes potentially in contact with MRSA patients or carriers, using disposable items when treating MRSA patients). Also, antiseptic solutions, such as Purell, and antiseptic wipes can be used to both clean hands and surfaces that may contact MRSA.
Personally, I never go anywhere without my Purell. Maybe I’m a little paranoid, but anytime I have touched surfaces that I know many other people have touched, whether browsing in a store or using a handrail in a public place, as soon as I have an opportunity, out comes the Purell. Better safe than sorry is always my motto.
In the hospitals, the CDC has found that use of alcohol gels can be more effective and result in more compliance than handwashing. See this link for a full analysis of improvements to hygiene and sanitation that can be made in the hospital setting.
Will you get it?
Not if you’re careful. But if you get any kind of unusual skin infection or have a flulike illness in combination with a skin infection, get to a doctor and get treatment. The earlier this type of infection is caught, the better. Cellulitis in and of itself, whether caused by MRSA or just regular bacteria, can be very serious.
The chart below shows the breakdown of who gets MRSA (more blacks than whites, higher rates of infection for the very young, teens and young adults, followed by a higher spike over age 50. About 58% of cases are associated with medical care within the past year; 27% start in the hospital, and just 13.8% are non-healthcare related.

The biggest concern is that new antibiotics are not being developed as frequently as in the past; once staph becomes resistant to Vancomycin and the other last resort drugs, we may have no defense against the next superbug. One way to forestall the rise of resistant bacteria is for doctors not to overprescribe antibiotics for every little ailment. Often patients go to the doctor with a sore throat or some other malady and literally expect to be prescribed an antibiotic and are disappointed or annoyed if the doctor sends them away without one. Doctors need to explain to patients that not all illnesses are caused by bacteria and that antibiotics do not work on viruses. The other danger is patients who do not finish their course of antibiotics, which means that if not all of the bacteria are killed, the ones that are left are more apt to be resistant and reproduce themselves.
Please see the links throughout this article for more detailed information on MRSA.
Thursday, October 4, 2007
More on Misdiagnoses
1. Aortic dissection: This is when the aorta, the main artery leading from the heart to the rest of the body, actually tears. This is obviously catastrophic, since a complete tear results in massive blood loss. But sometimes this condition is hard to diagnose, as the pain or sensation the person feels can mimic other illnesses, or even something as simple as heartburn.
I had a friend whose father died of this; the pain he felt was in his back, and he thought he had injured his spine or had a slipped disk. He went to a chiropracter for treatment. The chiropracter immediately realized something much more serious was going on, and called an ambulance, but by the time my friend's father was on the operating table, sadly it was too late.
2. Cancer: In a Harvard study of malpractice claims in the U.S., cancer was the most misdiagnosed illness.
In my previous post on oral cancer, the young chef with tongue cancer was initially misdiagnosed by his dentist. And I had a friend whose doctor kept treating her for bladder infections when all along what she had was bladder cancer. Sadly, her initial surgery did not keep the cancer at bay and she died of the disease 2-1/2 years after her diagnosis.
3. Clogged arteries: Sometimes doctors tell patients they're short of breath because they're out of shape, when it's actually coronary artery disease. Chest pain can masquerade as heartburn or a pulled muscle.
4. Heart attack: Heart attacks don't always have the "classic" symptom of severe chest pain. Sometimes the only signs of a heart attack are a feeling of pressure or fullness in the chest, nausea, tiredness or malaise. Pain can also occur in the jaw or left arm. In women, in particular, heart attacks are often misdiagnosed as women tend to have less typical symptoms of heart attack than men do.
5. Infection: In the Harvard study, infection followed cancer as the most misdiagnosed condition.
An example of this is, a friend's mother, who is a lung cancer survivor, had problems breathing after a trip to Eastern Europe. The doctor she was going to at the time thought she was having symptoms of a recurrence of cancer. As it turned out, she had an infection with Mycobacterium avium, which is an unusual type of infection.
So how can you keep yourself from becoming a victim of misdiagnosis?
1. Ask for more tests (Do your research and find out what tests are commonly prescribed for symptoms such as yours).
2. Ask, "What else could my illness be?" (And of course, do your research so that you are aware of what other illnesses it could be, and can suggest them if your doctor does not).
3. Don't assume no news is good news. This is very important; my friend with the bladder cancer had been receiving CT scans regularly as follow-ups to her cancer surgery. Apparently, she did not hear any results from the last one she had had, and somehow did not find out until 3 months later that the scan had showed enlarged lymph nodes in her abdomen. Who knows whether her outcome might have been different had she found this out sooner?
This goes for all kinds of tests, including your yearly Pap test. If you had one and don't hear from your doctor, call him or her and ask if everything was OK. And ask for copies of your lab tests, and read them carefully. If something doesn't look right, call your doctor and ask about it.
4. Assume your doctors don't talk to one another. Always tell each doctor you go to about anything going on with the other doctor: Any tests, any blood results, any scans, any symptoms. If you feel your doctors should be working together as a team, schedule a conference call.
5. Be wary when your doctors work in shifts - be sure each one passes on information to the other. And whenever possible, try to always see the same doctor even in a practice that has a number of physicians.
Sometimes you only get one chance to get your diagnosis right. Make sure you do everything that is in your own power to accomplish that.