title: Paroxysmal nocturnal haemoglobinuria presenting as an acute abdominal emergency.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000328:Adult; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000150:complications; D006457:Hemoglobinuria, Paroxysmal / Q000175:diagnosis*; D006801:Humans; D007421:Intestine, Small / Q000098:blood supply / Q000000981:diagnostic imaging; D007511:Ischemia; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging / Q000601:surgery