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Images in Neurology
May 2011

Magnetic Resonance Imaging–Based Intravenous Thrombolysis 6 Hours After Onset of Minor Cerebellar Stroke

Author Affiliations

Copyright 2011 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2011

Arch Neurol. 2011;68(5):678. doi:10.1001/archneurol.2011.87

Intravenous thrombolysis in an extended time window has been proposed in anterior circulation stroke based on the presence of a mismatch between the diffusion and perfusion lesions on magnetic resonance imaging (MRI).1 A single report discussed this strategy in patients presenting beyond 4.5 hours with a minor posterior circulation stroke.2 We describe a patient with vertebrobasilar stroke treated 6 hours after symptom onset, using the diffusion-perfusion mismatch paradigm.