Epidural haematoma of the posterior fossa with delayed operation. Report of a "chronic" case.

A case of chronic epidural haematoma of the posterior fossa is reported. The lesion was studed with cerebral angiography and computed tomography. The patient was under observation for two weeks before the extradural clot was removed. The membrane surrounding the haematoma was examined histologically. The importance of computed tomography in the diagnosis of traumatic lesions of the posterior fossa is emphasized.