肾上腺外嗜铬细胞瘤少见。本院1991年1月～1996年7月，收治25例嗜铬细胞瘤中有2例位于肾上腺外，其中1例位于腹主动脉旁，另1例为肾上腺内与腹主动脉旁并存。2例均经手术病理确诊，现报告如下。例1，女，37岁，以阵发性高血压1年，于1996年5月13日入院。检查：血压25．3／17．3 Adrenal pheochromocytoma is rare. From January 1991 to July 1996 in this hospital, 2 out of 25 cases of pheochromocytoma were located outside the adrenal gland, 1 of which was located next to the abdominal aorta, and the other was coexisting with the adrenal gland and the abdominal aorta. Both cases were confirmed by surgical pathology. The report is as follows. Example 1, female, 37 years old, admitted to hospital on May 13, 1996 with paroxysmal hypertension for 1 year. Check: Blood pressure 25.3/17.3