橄榄桥脑小脑萎缩分为遗传性和散发性两种,临床上以大家族遗传性的报告少见,我院遇到一例。先证者男性,44岁。自25岁双下肢无力,走路不稳,进行性加重;34岁双腿出现静止性肌肉抖动;精神紧张、主动运动时抖动幅度变大,睡眠时消失。 Olive pontine cerebellar atrophy is divided into two kinds of hereditary and sporadic, clinically large family rare genetic reports, our hospital encountered a case. Probate male, 44 years old. Since 25 years old, both lower extremities weakness, walking instability, progressive increase; 34-year-old legs appear static muscle jitter; mental stress, active jitter greater movement, disappear while sleeping.