我們報告一例因左側腎上腺嗜鉻細胞瘤自發性破裂，造成後腹腔出血的病例。病人在臨床上表現出急性腹部急症伴隨有低血容積性休克的症狀。在正確的處理及診斷下，我們在病人急性症狀穩定幾個月後，採取延緩的選擇性手術。同樣地以充分的術前準備，如給予α型腎上腺激素阻斷劑及充分的水分補充，成功而安全地取下腫瘤。

A case of retroperitoneal hemorrhage due to spontaneous rupture of a left adrenal pheochromocytoma presented as acute abdominal emergency with symptoms of hypovolemic shock. An elective operation was successfully performed 4 months later under correct diagnosis and sufficient preoperative preparation including volume replacement and pre-operative administration of α-adrenergic blocking agent.