Recurrent intracranial hypertension and a midbrain glioma.

At the age of 36, this patient's clinical picture satisfied the criteria for the diagnosis of benign intracranial hypertension. After an essentially symptom-free interval, she developed new symptoms 17 years later that proved to be the result of a associated with glial-lined cavities in the midbrain and malignant glioma in the splenium. The possibility of a relationship between these disparate events is considered.