title: Early onset hereditary ataxias of unknown etiology. Review of a personal series.
abstract: Among 300 patients affected by hereditary ataxia, 94 received the diagnosis of Friedreich's disease, 12 of Late Onset Friedreich's disease, 27 of Early Onset Cerebellar Ataxia with retained tendon reflexes, 10 of Progressive Myoclonic Ataxia, 4 of Ataxia with hypogonadism and 2 of Ataxia with hearing loss. Only Friedreich's disease appears clinically homogeneous, whereas the others are not specific entities and each of them probably includes different diseases.
authors.affiliation: Clinica Neurologica, Seconda Facoltà di Medicina, Università Federico II, Napoli.
authors.forename: A
authors.initials: A
authors.lastname: Filla
authors.forename: G
authors.initials: G
authors.lastname: De Michele
authors.forename: F
authors.initials: F
authors.lastname: Barbieri
authors.forename: G
authors.initials: G
authors.lastname: Campanella
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001259:Ataxia / Q000145:classification / Q000150:complications / Q000235:genetics* / Q000503:physiopathology; D002524:Cerebellar Ataxia / Q000453:epidemiology / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D048909:Diabetes Complications; D005260:Female; D005621:Friedreich Ataxia / Q000145:classification / Q000175:diagnosis / Q000235:genetics; D006319:Hearing Loss, Sensorineural / Q000150:complications; D006801:Humans; D007006:Hypogonadism / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D002527:Myoclonic Cerebellar Dyssynergia / Q000175:diagnosis / Q000235:genetics; D009431:Neural Conduction; D015995:Prevalence