Autosomal recessive posterior column ataxia and retinitis pigmentosa (disorder) {724065003 , SNOMED-CT } Cerebellar ataxia, areflexia, pes cavus, optic atrophy, sensorineural hearing loss syndrome (disorder) {720634003 , SNOMED-CT } Cerebellar ataxia, intellectual disability, optic atrophy, skin abnormalities syndrome (disorder) {726031001 , SNOMED-CT } Early onset cerebellar ataxia with essential tremor (disorder) {230231003 , SNOMED-CT } Early onset cerebellar ataxia with hypogonadism (disorder) {230229007 , SNOMED-CT } Early onset cerebellar ataxia with myoclonus (disorder) {192871008 , SNOMED-CT } Early onset cerebellar ataxia with retained tendon reflexes (disorder) {230228004 , SNOMED-CT } Early onset cerebellar ataxia with retinitis pigmentosa and optic atrophy (disorder) {230230002 , SNOMED-CT } Intellectual disability, coarse face, macrocephaly, cerebellar hypotrophy syndrome (disorder) {782753000 , SNOMED-CT } Marinesco-Sjögren syndrome (disorder) {80734006 , SNOMED-CT } Recessive mitochondrial ataxia syndrome (disorder) {782696001 , SNOMED-CT } Spectrin-associated autosomal recessive cerebellar ataxia (disorder) {763351003 , SNOMED-CT }