Small acute cerebellar infarct

Small acute cerebellar infarct, superior cerebellar artery (SCA) distribution. A portion of the SCA territory is noted to be involved on the left, with abnormal high signal intensity on both T2- and diffusion weighted scans. The high signal intensity on T2-weighted scans denotes vasogenic edema, with the findings on DWI – specifically restricted diffusion, confirmed on the ADC map (low signal intensity) – consistent with cytotoxic edema. TOF MRA reveals the left SCA to be small in caliber and truncated.

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Part of the on-line supplement to Neuroradiology – The Essentials with MR and CT (© 2015)