Colovesical fistula: a rare complication of diverticulitis in young male.

Herniation of colonic mucosa through the circular muscles at the point of penetration of blood vessels results in diverticuli formation. It is seen most commonly in the large bowel in sigmoid colon. Common complications of diverticular disease are inflammation and bleeding per rectum and rarely fistula formation which are seen mostly in elderly patients. A case of colovesical fistula with diverticulitis in young male aged 30 years is reported.