脊髓小脑变性是一组少见的遗传性疾病,又名脊髓小脑萎缩,脊髓小脑失调和遗传性共济失调。这组疾病包括Friedreich共济失调,遗传性痉挛性共济失调,遗传性痉挛性截瘫,橄榄桥小脑萎缩(Menzel)和小脑橄榄萎缩(Holmes)。Marie共济失调有时相当于脊髓小脑变性的某种类型,因缺乏特 Spinocerebellar degeneration is a rare group of inherited diseases, also known as spinocerebellar atrophy, spinocerebellar disorders and hereditary ataxia. The group of diseases includes Friedreich’s ataxia, hereditary spastic ataxia, hereditary spastic paraplegia, menzel and cerebellar atrophy. Marie ataxia is sometimes equivalent to a type of spinocerebellar degeneration, lack of special