title: Severe rectal bleeding from an intramural hematoma of the sigmoid.
mesh_terms: D002648:Child; D012809:Colon, Sigmoid; D003108:Colonic Diseases / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006406:Hematoma / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006801:Humans; D007020:Hypoprothrombinemias / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D008297:Male; D008551:Melena / Q000209:etiology; D010956:Plasmapheresis