title: Spontaneous intramural haematoma in the sigmoid colon of a haemophiliac.
mesh_terms: D000328:Adult; D012809:Colon, Sigmoid; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000601:surgery; D006406:Hematoma / Q000209:etiology* / Q000601:surgery; D006467:Hemophilia A / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male