<unk>  <unk>  is a heterogeneous group of rare neurodegenerative disorders caused by genetic mutations and characterised by progressive atrophy of various parts of the brain such as the cerebellum or brainstem (particularly the pons). Where known, these disorders are inherited in an autosomal recessive fashion. There is no known cure for<unk> .
Pontocerebellar hypoplasia
Cerebellar hypoplasia
Cerebellar agenesis
Olivopontocerebellar atrophy
Athetoid cerebral palsy
Acrocallosal syndrome
Ataxic cerebral palsy
Infantile progressive bulbar palsy