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diverticulosis
Diverticulosis, also known as "diverticular disease", is the condition of having diverticula in the colon, which are outpocketings of the colonic mucosa and submucosa through weaknesses of muscle layers in the colon wall. These are more common in the sigmoid colon, which is a common place for increased pressure. This is uncommon before the age of 40, and increases in incidence after that age.
==Signs and symptoms==
Diverticulosis can present with painless rectal bleeding as bright red blood per rectum. Cramps and tenderness may also occur in the affected areas.
Most people with colonic diverticulosis are unaware of this structural change. When symptoms do appear in a person over 40 years of age it is important to obtain medical advice and exclude more dangerous conditions such as cancer of the colon or rectum.〔Shepherd NA (1992) Diverticular disease. In Oxford Textbook of Pathology, pp. 1256-1258 (O'D McGee, PG Isaacson and NA Wright, editors ). Oxford: Oxford University Press.〕〔Christensen J (1991) Gross and microscopic anatomy of the large intestine. In The Large Intestine Physiology, Pathophysiology and Disease, pp. 13-35 (Phillips, JH Pemberton and RG Shorter, editors ). New York: Raven Press.〕
The clinical forms of colonic diverticulosis are:
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