Journal
STROKE
Volume 37, Issue 1, Pages E1-E2Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/01.STR.0000195179.93268.e2
Keywords
ataxia; lacunar infarction; magnetic resonance imaging; tomography,emission computed; stroke
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Funding
- NATIONAL CENTER FOR RESEARCH RESOURCES [K12RR017648] Funding Source: NIH RePORTER
- NCRR NIH HHS [K12 RR017648] Funding Source: Medline
- NIA NIH HHS [L30 AG024818] Funding Source: Medline
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Background - Ataxic hemiparesis is a classic lacunar syndrome that most often localizes to the pons. Results - We report 3 patients who presented with left-sided ataxic hemiparesis and were found on imaging to have small right frontal subcortical white matter infarcts in similar locations by diffusion-weighted MRI. [Tc-99m] hexamethylpropylenamine oxime single-photon emission computed tomography (SPECT) scans in all 3 patients showed decreased metabolism in the contralateral cerebellar hemisphere, indicative of crossed cerebellar diaschisis (CCD). Conclusion - CCD is under-recognized in ataxic hemiparesis and may have implications for functional recovery after this type of ischemic stroke.
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