title: Chronic subdural hematoma presenting as spontaneous subarachnoid hemorrhage. Report of six cases.
abstract: Six cases of chronic subdural hematoma presenting with the clinical findings of acute subarachnoid hemorrhage are reported. No systemic or focal cause for the bleeding was found, and possible mechanisms are discussed.
mesh_terms: D000328:Adult; D005260:Female; D006408:Hematoma, Subdural / Q000175:diagnosis*; D006801:Humans; D008297:Male; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis* / Q000209:etiology