嗜铬细胞瘤是肌体嗜铬性组织内生长出来的一种分泌儿茶酚胺的肿瘤 ,约 90 %发生于肾上腺髓质 ,发生于身体其他部位的嗜铬细胞瘤比较少见。我院近年来收治腹膜后嗜铬细胞瘤患者 4例 ,且术前均误诊为腹膜后肿瘤 ,未做有关嗜铬细胞瘤方面的检查。术中出现血压、心率剧烈波动时处理 Pheochromocytoma is a catecholamine-producing tumor that grows in the body’s chromaffin tissue. About 90% of it occurs in the adrenal medulla. Pheochromocytomas that occur in other parts of the body are rare. In our hospital, 4 cases of retroperitoneal pheochromocytoma were treated in recent years, and all of them were misdiagnosed as retroperitoneal tumors before surgery. No examination was done on pheochromocytoma. When blood pressure and heart rate fluctuate violently during surgery