Abstract: Splenic artery aneurysm (SAA) is a relatively common type of visceral artery aneurysm, typically resulting from localized permanent dilation of the splenic artery, most commonly found in the mid-to-distal segment. The condition often has an insidious onset and is frequently discovered incidentally during other examinations, with an autopsy incidence of 0.098% and an angiographic incidence of 0.78%. The incidence in females is four times that in males. Although most patients with SAA are asymptomatic, rupture can lead to severe retroperitoneal hemorrhage and hypovolemic shock. This article reports a rare case of a 49-year-old male patient who experienced spontaneous rupture of a splenic artery aneurysm complicated by shock. The patient was urgently taken to the operating room due to persistent abdominal pain and shock and was successfully rescued.

Key words: splenic artery aneurysm, spontaneous rupture, hemorrhagic shock