(650) 342-7432

100 S. Ellsworth Ave.
Suite 507
San Mateo, CA 94401
(650) 342-7432

August 15, 2016
Category: Uncategorized
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A colorectal "polyp" is a small finger-like or flat lump growing from the lining of the colon. There are many types of polyps, some of which are rare. The two most common types are adenomas and hyperplastic polyps.

The most important colorectal polyp is the adenoma, a small benign tumour growing to about 2 cm in size. Colonic adenomas are common, occurring in more than 20% of the population, and in the majority of patients there is no ill effect on health. They are more common with increasing age. There is good evidence that colonic adenomas are the early stage of colorectal cancer, although only a very small percentage of adenomas undergo malignant change and this process is very slow (e.g. five to 15 years).

Most patients with colonic polyps have no symptoms, and often polyps are detected at the time of investigation for unrelated symptoms. Where symptoms occur these are usually bleeding and sometimes pass mucous (especially large villous adenomas). Colonic polyps usually do not cause abdominal pain, diarrhoea, or constipation.

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100 S. Ellsworth Ave
Suite 507
San Mateo CA, 94401