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