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Cancer: Colon Message Board

Cancer: Colon Board Index


Usually, unless a tumor is quite large or bulky, a CT scan alone will NOT pick up tumors located in the colon/rectum, so please don't rely on the CT scan as a diagnostic tool for this. If a person has colorectal cancer, CT scans are used to look at other places in the body where the cancer might have spread.

The FOBT are a good tool, but negative test results such as you had are not necessarily an indicator that everything is fine. I had a 4-6 cm rectal tumor and a negative FOBT. Not all tumors or polyps bleed so, again, while that particular test can be helpful you cannot rely on it when it comes back showing no blood.

The 10 year colonoscopy guideline is just that - a guideline. Everyone is different and if, for example, two weeks after your last colonoscopy (this is purely hypothetical) a polyp developed, in this period of time (6 years) it could very well be causing problems by now. Personally, I, along with many people, would like to see the standard 10 year guideline reduced to 5. People need to understand that within that 10 year guideline, many many things can and do happen. Please don't assume that since you have 4 years left you are fine. It just doesn't always work that way.

As for the thin stools and blood, yes, you are correct that those could be caused by a number of different things besides cancer. An anal fissure is almost always EXTREMELY uncomfortable during a bowel movement and right afterwards for up to an hour or two. It's more than just discomfort - its painful! Hemmorhoids rarely cause much discomfort - itching yes but not what I think you are trying to convey. Besides colorectal cancer, other diseases such as diverticulitis, Crohn's disease and ulcerative colitis can cause similar symptoms. These are also serious diseases/problems that NEED to be evaluated. The only sure way to know what is going on is to have the colonoscopy. Regardless of what it is, you need to have it identified and treated. Remember that patients with Crohn's and ulcerative colitis are at increased risk for colorectal cancer down the road. Make sure that if you are diagnosed with one of these diseases, that you follow up with your doctor to be monitored carefully.
Good luck.


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