嗜铬细胞瘤是起源于肾上腺髓质、交感神经节及其它部位的嗜铬组织的肿瘤 ,高血压是其主要特点 ,属继发性高血压的一种类型。约 80～ 90 %肿瘤位于肾上腺髓质 ,1 0 %为双侧性 ,1 0 %左右有家族史。我院近 2 0年来收住 40多例嗜铬细胞瘤患者 ,其中 2例为家族性 ,现报告如下 :例 1 Pheochromocytoma is a tumor of chromaffin originating from the adrenal medulla, sympathetic ganglia and other parts of the body. Hypertension is a major feature of this disease and is a type of secondary hypertension. About 80-90% of the tumors are located in the adrenal medulla, 10% are bilateral, and about 10% have a family history. Nearly 40 years in our hospital to receive more than 40 patients with pheochromocytoma, of which 2 were familial, are reported as follows: Example 1