Figure 1From: Acute embolic cerebral ischemia as an initial presentation of polycythemia vera: a case report Magnetic resonance imaging of the brain. Diffusion-weighted magnetic resonance image of the brain demonstrating numerous small foci of restricted diffusion scattered within the left frontoparietal cortex, subcortical white matter, and centrum semiovale. These foci are consistent with an acute embolic ischemic infarction shower within the left middle cerebral artery distribution.Back to article page