In a 27-year-old male, most common cause of a colovesical fistula would be:: (A) Crohn's disease, (B) Ulcerative colitis, (C) TB, (D) Cancer colon
Answer is A. Ans. (a) Crohn's diseaseRef: Sabiston 19th edition, Pages 1247, 1313* Young male most common cause of colovesical fistula: CD* Old age most common cause of colovesical fistula: Diverticular disease* Overall most common cause is diverticulitis