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[Fatal transmural colitis caused by Entamoeba histolytica. Differential diagnosis of chronic inflammatory bowel disease and colon cancer].

Perforation of the colon is a rare but frequently fatal complication of amoebiasis. We report a case of a 53 year-old male, with no history of travel abroad, who was admitted to hospital with haematochezia. A tumor of the rectum was diagnosed clinically. Due to acute intestinal obstruction, laparotomy was performed, revealing multiple perforations of the large bowel and severe peritonitis leading to subtotal colectomy. The histological examinations revealed transmural amoebic colitis. The patient died due to multi-organ failure.