Department of Surgery, Kishiwada Tokushukai Hospital;
Department of Pathology, Kishiwada Tokushukai Hospital;
Department of Emergency and Critical Care Medical Center, Kishiwada Tokushukai Hospital;
Re-rupture; Segmental; arterial; mediolysis; Trans-arterial; embolization; Spontaneous; remission; Splenic; artery; aneurysm;