Extranigral extension of structural midbrain lesions overshadows parkinsonism

Hee Jin Kim, Ji Young Yun, Jong Min Kim, Yu Kyeong Kim, Gwanhee Erm, Sang Eun Kim, Beom S. Jeon

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We report on a clinicoanatomical analysis of five patients with structural midbrain lesions who shared severe nigrostriatal dopaminergic denervation but presented different involuntary movements. The main clinical phenotype was parkinsonism in only one case; it was choreoballism in three cases and tremor and dystonia in one case. Structural midbrain lesions are likely to involve structures additional to nigral dopaminergic neurons. The extent of extranigral involvement may determine the diverse clinical manifestations associated with the structural midbrain lesions.

Original languageEnglish
Pages (from-to)1209-1213
Number of pages5
JournalJournal of Neural Transmission
Volume118
Issue number8
DOIs
StatePublished - Aug 2011

Keywords

  • Chorea
  • Dopamine transporter imaging
  • Dystonia
  • Midbrain
  • Parkinsonism

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