title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 18-1990. A 58-year-old man with hematochezia and a lesion of the cecum.
mesh_terms: D000562:Amebiasis / Q000473:pathology*; D000818:Animals; D002429:Cecal Diseases / Q000175:diagnosis / Q000469:parasitology / Q000473:pathology*; D003113:Colonoscopy; D003937:Diagnosis, Differential; D004404:Dysentery, Amebic / Q000175:diagnosis / Q000469:parasitology / Q000473:pathology*; D004748:Entamoeba histolytica; D004749:Entamoebiasis / Q000175:diagnosis / Q000469:parasitology / Q000473:pathology*; D006801:Humans; D007413:Intestinal Mucosa / Q000469:parasitology / Q000473:pathology; D008297:Male; D008551:Melena / Q000175:diagnosis; D008875:Middle Aged