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Case Reports
Persistent Hemichorea as a Preceding Symptom of Cerebral Infarction due to Middle Cerebral Artery Stenosis.
- Yuki Ueta, Haruhisa Kato, Makiko Naito, Takeshi Taguchi, Hiroo Terashi, and Hitoshi Aizawa.
- Department of Neurology, Tokyo Medical University Hachioji Medical Center, Japan.
- Intern. Med. 2021 Dec 1; 60 (23): 3805-3808.
AbstractWe herein report an 84-year-old woman with right middle cerebral artery (MCA) stenosis who presented with persistent left hemichorea preceding cerebral infarction. She visited our hospital on day 9 after the hemichorea onset. Magnetic resonance imaging (MRI) showed no acute cerebral infarction. Magnetic resonance angiography revealed right MCA stenosis. Her hemichorea persisted for 19 days and subsequently disappeared. On day 21, she developed left hemiplegia. Repeat MRI revealed a cerebral infarction in the right putamen. MCA stenosis can present with persistent hemichorea, even in the absence of cerebral infarction. Persistent hemichorea with MCA stenosis may presage cerebral infarction.
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