FIG 1. Diffusion-weighted images obtained in a 75-year-old man with transient left paresis.

A, Axial diffusion-weighted image depicts hyperintense signal indicative of acute infarction in the precentral gyrus of the right frontal lobe.

B and C, Additional subsidiary lesions in the same arterial territory (middle cerebral artery) are shown at different levels (parietal and temporal cortex).