Spinocerebellar degeneration with divergence paralysis as the earliest sign.
D000328:Adult; D002526:Cerebellar Diseases / Q000150:complications* / Q000235:genetics; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009410:Nerve Degeneration; D010243:Paralysis / Q000209:etiology*; D013118:Spinal Cord Diseases / Q000150:complications* / Q000235:genetics