Acute hemorrhagic leukoencephalopathy: clinical and CT diagnosis and histopathological confirmation in an elderly patient.

With the aid of CT acute hemorrhagic leukoencephalopathy (AHL) was diagnosed before death in a 65 year old woman. On the histopathological evidence, which is very similar to that for experimental allergic encephalomyelitis (EAE), AHL is considered to be a highly acute variant of parainfective encephalomyelitis.