FIG 1. 74-year old patient scanned 14 hours after onset of vertigo.

A, FSE T2-weighted image reveals an old left cerebellar lacuna (arrow).

B, FLAIR image shows no cerebellar signal abnormality.

C, Diffusion-weighted image sensitive to water motion in the craniocaudal direction reveals an acute infarct in the right cerebellar hemisphere (arrow).