Phonocephalography and pulsatile tinnitus in a surface cerebral angioma. Report of a case.

Phonocephalography is a simple, passive non-invasive diagnostic technique in tinnitus and cerebral angiology. Pulsatile tinnitus may occur in hypertension, haemodynamic disorders, or extracranial and intracranial vascular abnormalities. It is ignored by otologists and neurologists. Phonocephalography is the amplification and recording of sounds from the surface and cavities of the head. In this case report, the technique of phonocephalography was used to record these sounds and the tinnitus in a case of surface cerebral angioma.