title: [Writer's cramp secondary to spinocerebellar ataxia type 7].
abstract: Spinocerebellar ataxia type 7 (SCA 7) is a rare autosomal dominant neurodegenerative disorder (ADCA) caused by expansion of a highly unstable CAG repeat. Clinical features including progressive cerebellar, retinal degeneration and pyramidal signs. We report a patient with SCA 7 diagnosis revealed by progressive cerebellar ataxia and writer's cramp.
authors.affiliation: Service de Neurologie - Centre Hospitalier Universitaire de Nîmes, Hôpital Caremeau 30029 Nîmes.
authors.forename: N
authors.initials: N
authors.lastname: Gaillard
authors.forename: G
authors.initials: G
authors.lastname: Castelnovo
authors.forename: A
authors.initials: A
authors.lastname: Brice
authors.forename: P
authors.initials: P
authors.lastname: Labauge
mesh_terms: D000328:Adult; D000067719:Ataxin-7; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use; D020821:Dystonic Disorders / Q000209:etiology*; D006801:Humans; D008297:Male; D009419:Nerve Tissue Proteins / Q000235:genetics; D009465:Neuromuscular Agents / Q000627:therapeutic use; D020754:Spinocerebellar Ataxias / Q000150:complications* / Q000188:drug therapy / Q000235:genetics
chemical_list: C000593829:ATXN7 protein, human; D000067719:Ataxin-7; D009419:Nerve Tissue Proteins; D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A