A Case of Spontaneous Hemoperitoneum Due to Rupture of Visceral Artery Aneurysm

ABSTRACT

We introduce a case of middle colic artery rupture due to medial degeneration which progressed to hemoperitoneum. Visceral artery aneurysm is an uncommon form of vascular disease that has a significant potential for rupture or erosion into an adjacent viscera, resulting in life-threatening hemorrahge. The case involved a 58-year old man with abdominal pain who admitted to our hospital with a diagnosis of hemoperitoneum due to bleeding of omentum. At surgery, a large amount of hematoma was found in lesser sac which was removed totally. The bleeding focus was middle colic artery. Histological examination showed medial degeneration of unknown origin. The postoperative course was uneventful, and the patient discharged with good condition.