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Isolated cerebellar atrophy

Case contributed by Dr Servet Kahveci


An epileptic patient with chronic phenytoin use.

Patient Data

Age: 25 years
Gender: Male

Diffuse cerebellar atrophy inappropriate with patient's age due to chronic phenytoin use.

Note the normal cerebral hemispheres.

Case Discussion

Phenytoin induced cerebellar atrophy occurs after prolonged exposure to phenytoin, usually for the treatment of epilepsy. 

Radiologic features of isolated cerebellar atrophy:

  • diffuse cerebellar volume loss
  • ex-vacuo dilatation of the fourth ventricle
  • prominence of the cerebellar folia
  • normal cerebral hemispheres
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Case information

rID: 64339
Published: 2nd Jan 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Sevgi Private Hospital

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