A heterogenous group of degenerative syndromes marked by progressive cerebellar dysfunction either in isolation or combined with other neurologic manifestations. Sporadic and inherited subtypes occur. Inheritance patterns include autosomal dominant, autosomal recessive, and X-linked.

Synonyms: Cerebellar Ataxia, Marie, Spinocerebellar Degenerations, Marinesco-Sjögren Syndrome, Degeneration, Hereditary Spinocerebellar, Degenerations, Hereditary Spinocerebellar, Cerebellar Ataxia, Late Onset, Early Onset Cerebellar Ataxia, Hereditary Spinocerebellar Degenerations, Degeneration, Familial Spinocerebellar, Hereditary Oligophrenic Cerebello-Lental Degeneration, Spinocerebellar Disease, Marinesco-Garland Syndrome, Primary Cerebellar Degeneration, Hereditary Oligophrenic Cerebello Lental Degeneration, Degeneration, Spino-Cerebellar, Spinocerebellar Degenerations, Familial, Inherited Spinocerebellar Degeneration, Spinocerebellar Degeneration, Cerebellar Degeneration, Primary, Degeneration, Corticostriatal-Spinal, Marinesco Sjogren Syndrome Myopathy, Ataxia, Hereditary, Marinesco Sjogren Garland Syndrome, Spino-Cerebellar Degeneration, Hereditary Spinocerebellar Degeneration, Degenerations, Primary Cerebellar, Spinocerebellar Degenerations, Inherited, Marinesco Sjogren Syndrome Hypergonadotrophic Hypogonadism, Corticostriatal-Spinal Degenerations, Marinesco Sjögren Syndrome, Corticostriatal Spinal Degeneration, Degeneration, Inherited Spinocerebellar, Degeneration, Spino Cerebellar, Corticostriatal-Spinal Degeneration, Spinocerebellar Degeneration, Familial, Marinesco Garland Syndrome, Marinesco-Sjogren Syndrome-Myopathy, Spinocerebellar Degeneration, Inherited, Hypogonadism, Marinesco-Sjogren Syndrome-Hypergonadotrophic, Spino Cerebellar Degeneration, Familial Spinocerebellar Degenerations, Degenerations, Corticostriatal-Spinal, Degeneration, Spinocerebellar, Cerebellar Ataxia, Marie's, Ataxias, Hereditary, Spino-Cerebellar Degenerations, Spinocerebellar Diseases, Marinesco Sjogren Syndrome, Degenerations, Inherited Spinocerebellar, Syndrome, Garland-Moorhouse, Marie Cerebellar Ataxia, Syndrome-Myopathy, Marinesco-Sjogren, Syndrome, Marinesco-Sjogren, Syndrome-Hypergonadotrophic Hypogonadism, Marinesco-Sjogren, Marinesco-Sjogren Syndrome, Degenerations, Familial Spinocerebellar, Cerebellar Degenerations, Primary, Marie's Cerebellar Ataxia, Garland Moorhouse Syndrome, Hereditary Ataxia, Late Onset Cerebellar Ataxia, Degenerations, Spino Cerebellar, Spino Cerebellar Degenerations, Syndrome, Marinesco-Sjogren-Garland, Degenerations, Spinocerebellar, Spinocerebellar Degenerations, Hereditary, Spinocerebellar Degeneration, Hereditary, Marinesco-Sjogren Syndrome-Hypergonadotrophic Hypogonadism, Marinesco-Sjogren-Garland Syndrome, Degeneration, Primary Cerebellar, Syndrome, Marinesco-Garland, Primary Cerebellar Degenerations, Hereditary Ataxias, Garland-Moorhouse Syndrome, Inherited Spinocerebellar Degenerations, Familial Spinocerebellar Degeneration, Syndrome, Marinesco-Sjögren, Cerebellar Ataxia, Early Onset