Synchronous mucinous adenocarcinoma of the recto sigmoid revealed by and seeding an anal fistula. (A case report and review of the literature).

Introduction: There are few cases of synchronous rectal adenocarcinoma revealed by an anal fistula. The diagnosis of synchronous mucinous adenocarcinoma of the recto sigmoid and anal canal remains difficult. The chronic anal fistula can be mistaken as the common manifestation of a benign perianal abscess or fistula.

Dysfunctional loop ileostomy after low anterior resection for rectal cancer in the presence of Meckel's diverticulum: a case report.

Introduction: A temporary protective loop ileostomy is a routine procedure to protect the anastomosis in patients who undergo low anterior resection for rectal cancer. The aim of this case report is to present a rare complication caused by Meckel's diverticulum.

Case Presentation: We describe a case of a 71-year-old white man with dysfunctional ileostomy after low anterior resection for rectal cancer due to adhesions and pressing effects of Meckel's diverticulum near the ileostomy site, which led to volvulus of his small intestine and obstruction.