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Magnetic Resonance Imaging in Hereditary and Idiopathic Ataxia
Neurol 43:318-325, Wullner,U.,et al, 1993
See this aricle in Pubmed

Article Abstract
We used magnetic resonance imaging(MRI)to study brain and spinal cord morphology in hereditary and idiopathic ataxia.Our interest was in whether the classical neuropathologic categories-cerebellar cortical atrophy(CCA), olivopontocerebellar atrophy(OPCA),and spinal atrophy(SA)-could be identified in vivo and which vermis,cerebellar hemispheres fourth ventricle,middle cerebellar peduncles,basis pontis,medulla oblongata,and cervical spine cord on T1-weighted images of 61 patients and 24 healthy controls.Five patients with Friedreich's ataxia(n=7)and all with late- onset Freidreich's ataxia(n=3)had SA without major involvement of the brainstem or cerebellum.Morphologic findings in patients with early-onset cerebellar ataxia with retained tendon reflexes(n=11)were heterogeneous; six patients had MRI findings compatible with CCA,and two patients had a combination of SA and CCA.The three remaining patients had an atypical pattern of atrophy.Similarly,the morphologic changes in patients with autosomal-dominant cerebellar ataxia with additional noncerebellar symptoms(ADCA-I;n=13)were nonuniform;atrophic changes typical for CCA, OPCA,or SA were each present in one case,four patients had a combination of OPCA and SA,and the remaining patients could not be assigned to one of the morphologic categories.In autosomal-dominant cerebellar ataxia with a pure cerebellar syndrome(ADCA-III;n=6),all patients except one had CCA. Patients with idiopathic cerebellar ataxia(IDCA)fell into two clinically and morphologically distinct groups:the majority of patients with additional noncerebellar symptoms(IDCA-P;n=14)had OPCA,whereas almost all patients with a pure cerebellar syndrome(IDCA-C;n=7)had CCA.
 
Related Tags
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ataxia
ataxia,cerebellar
ataxia,hereditary
brainstem,atrophy
cerebellar ataxia,hereditary
cerebellar ataxia,primary
cerebellar atrophy,primary
degenerative diseases of CNS
familial
Friedreich's ataxia
MRI
MRI,abnormal
myelomalacia
spinocerebellar ataxia type 1

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