[Cranial vault meningioma having the angiographic picture of an extracerebral hematoma].

The angiographic symptom of vessels forced away from the cranial vault may, in rare circumstances, be due to a tumor of the meninges. The differential diagnosis of such "pseudosubdural hematomata" is uncertain preoperatively. The anamnesis and clinical findings do not in such cases allow a clear decision to be made.