多系统萎缩(MSA)是一组散发的、进行性的中枢神经系统变性病变,主要累及植物神经、锥体外系和小脑,可分为Shy Drager综合征(SDS)、橄榄桥小脑萎缩(OPCA)和纹状体黑质变性(SND)三种临床亚型。该病发病率较低,我们于1 996年2月至2 0 0 3年2月收治1 2例,报告如下。对象与方法本组1 Multiple system atrophy (MSA) is a group of distributed, progressive central nervous system degenerative lesions that primarily involve the autonomic, extrapyramidal and cerebellum and are classified as Shy Drager Syndrome (SDS), Olive Bridge Cerebellar Atrophy (OPCA) And striatum degeneration (SND) three clinical subtypes. The incidence of the disease is low, we in February 1996 to February 2003 12 cases were admitted, the report is as follows. Objects and Methods This group 1