label: spinocerebellar ataxia type 27
label_lc: spinocerebellar ataxia type 27
description: Spinocerebellar ataxia type 27 (SCA27) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by early-onset tremor, dyskinesia, and slowly progressive cerebellar ataxia.