Vermis lesions in acute cerebellar ataxia: a sequential imaging study
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E Nakagawa1, H Yamanouchi, N Sakuragawa
1Division of Child Neurology, National Center Hospital for Mental, Nervous and Muscular Disorders, Tokyo, Japan.
Abstract:
We report a case of acute cerebellar ataxia (ACA) with discrete paleocerebellar clinical symptoms who underwent serial cranial magnetic resonance images not only with conventional spin echo sequences but also fluid attenuated inversion recovery (FLAIR) sequences. The images with the latter sequences demonstrated more conspicuously the high signal intensity lesions in the superior cerebellar vermis and cerebellar peduncle than those with the former sequences. In the convalescent phase, the lesions became markedly atrophic. Thus, the causative lesions for ACA were demonstrated on MRI, and FLAIR provided clear images of the lesion in the vermis.