Catalog
Spinocerebellar ataxia type 21
No MMS code
Link to WHO Definition
Spinocerebellar ataxia type 21 – http://id.who.int/icd/entity/1426889593
Spinocerebellar ataxia type 21 (SCA21) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterised by slowly progressive cerebellar ataxia, mild cognitive impairment, postural and/or resting tremor, bradykinesia, and rigidity.