Introduction:

Diverticular colon disease is common in the general population affecting 50% of people over the age of 50. However, diverticula located in the rectum are exceptionally rare. This study aims to report the case of a 67 years old man with diverticular disease of the sigmoid colon and transverse colon with a rectal diverticulum diagnosed during an ambulatory colonoscopy.

Case report:

A 67-year-old man who consulted the gastroenterology service for chronic diarrhea. A colonoscopy was performed, and a 3 cm in diameter diverticular hole was evident, 6 cm from the anal margin. It was concluded that diverticular disease was not the cause of diarrhea.

Discussion:

There are several theories to explain the etiology and the reason for the low frequency of rectal diverticula, including surgical procedures in this area. Asymptomatic presentations do not need surgery, although periodic evaluation of these patients should be performed.

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