Infarction in the territory of the anterior inferior cerebellar artery: report of five cases.

The clinical and MRI features were correlated in five cases of infarction in the territory of the anterior inferior cerebellar artery. The lateral portion of the pons area was affected in four cases, the middle cerebellar peduncle in two, and the cerebellar hemisphere in three. The lesion was restricted to the cerebellar hemisphere in one patient. In no case did the clinical features conform to the classical description.