抄録
Jugular bulb located high and medial in the petrous bone can be a cause of sensorineural hearing loss, tinnitus and vertigo. Here, we report a case of medial high jugular bulb with diverticulum. The patient was a 51-year-old woman who presented with bilataral hearing loss and tinnitus. The right ear showed mixed hearing loss due to eardrum perforation and the left ear showed complete sensorineural hearing loss. CT showed a left medial high jugular bulb with diverticulum that was compressing the cochlear and vestibular aqueducts. We speculated that sensorineural hearing loss in this patient was due to compression of the cochlear aqueduct by the medial high jugular bulb.
