Computed Tomography of Posterior Fossa in Hereditary Ataxias

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Abstract
Summary: Nine cases of Friedreich's ataxia and seven cases of autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) were submitted to neuroradiological procedures to determine the extent of atrophie processes in the central nervous system. All cases had a computerized cerebral tomography and five were studied with pneumencephalo-graphy. The results show a correlation between the two tests and the comparison between Friedreich's ataxia and ARS ACS.In Friedreich's ataxia, the radiological signs are variable and discrete in most of the cases. In A RSA CS there are constant signs of cerebellar atrophy almost limited to the superior parts of the vermis and anterior lobes.

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