J Korean Neurol Assoc.  2001 Mar;19(2):173-175.

A Case of Dentatorubropallidoluysian Atrophy with Progressive Myoclonus Epilepsy

Affiliations
  • 1Department of Neurology, College of Medicine, Soonchunhyang University.
  • 2Department of Radiology, College of Medicine, Soonchunhyang University.

Abstract

The dentatorubropallidoluysian atrophy (DRPLA) is a neurodegenerative disorder with expansion of an unstable CAG trinucleotide repeat in a gene on chromosome 12 and a rare cause of progressive myoclonus epilepsy (PME). A 34-year-old female showed progressive myoclonus, choreoathetosis, generalized tonicclonic seizure, dementia and ataxia. Her uncle died during convulsion at the age of 19. Brain MRI revealed cerebral, cerebellar and brainstem atrophy accompanied by dilatation of the fourth ventricle. The demonstration of expanded CAG repeat (67/11) in the gene for DRPLA was used to confirm the diagnosis. (J Korean Neurol Assoc 19(2):173~175, 2001)

Keyword

Dentatorubropallidoluysian atrophy; Progressive myoclonus epilepsy; CAG trinucleotide repeat

MeSH Terms

Adult
Ataxia
Atrophy*
Brain
Brain Stem
Chromosomes, Human, Pair 12
Dementia
Diagnosis
Dilatation
Female
Fourth Ventricle
Genes, vif
Humans
Magnetic Resonance Imaging
Myoclonic Epilepsies, Progressive*
Myoclonus
Neurodegenerative Diseases
Seizures
Trinucleotide Repeats
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