遗传性多发性骨软骨瘤又称遗传性多发性外生骨疣,是一种先天性骨骼异常的慢性骨病,常有家族史,我科遇见一家3代4例患者,现报道如下。1病例资料病例1:姨祖母,女性,65岁。因双侧膝关节多个核桃大小硬肿块,无活动度,肿块呈进行性增大40余年,未曾出现明显疼痛,自述自幼存在,平常关 Hereditary multiple osteochondroma, also known as genetic multiple exostoses, is a congenital skeletal abnormalities of chronic bone disease, often family history, our department met a 3 generation 4 patients, are reported below. 1 Case Information Case 1: Aunt grandmother, female, 65 years old. Due to bilateral knee multiple walnut-sized hard lumps, no activity, the mass was increased progressively more than 40 years, no obvious pain, self-described existence since childhood, usually off