Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Hematology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Pathology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Gastroenterology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Department of Hematology Matsunami General Hospital Hashima-gun 501-6062 Japan;
Inferior mesenteric arteriovenous malformation; Ischemic colitis; Natural history; Case report ; Arteriovenous malformation;