ICD-11 definition : Spinocerebellar ataxia type 30 (SCA30) is a very rare subtype of autosomal dominant
cerebellar ataxia type 3 (ADCA type 3; see this term) characterized by pure and slowly
progressive cerebellar ataxia with a mean age of onset of 52 years and described in
6 patients from one Australian family to date. The causative gene has not yet been
discovered but it has been mapped to chromosome 4q34.3-q35.1.;
Spinocerebellar ataxia type 30 (SCA30) is a very rare subtype of autosomal dominant
cerebellar ataxia type 3 (ADCA type 3; see this term) characterized by pure and slowly
progressive cerebellar ataxia with a mean age of onset of 52 years and described in
6 patients from one Australian family to date. The causative gene has not yet been
discovered but it has been mapped to chromosome 4q34.3-q35.1.