Three categories on an anatomic basis Extratemporal extracranial a Bezold abscess Subperiosteal abscess Intratemporal Mastoiditis, labyrinthitis, sensorineural hearing loss, petrositis Facial paralysis, Cholesteatoma, labyrinthine fistula Intracranial Epidural abscess, lateral sinus thrombosis, otitic /drocephalus meningitis brain abscess subdural abscessThree categories on an anatomic basis ◼ Extratemporal extracranial ◼ Bezold abscess ◼ Subperiosteal abscess ◼ Intratemporal ◼ Mastoiditis, labyrinthitis, sensorineural hearing loss, petrositis ◼ Facial paralysis, cholesteatoma, labyrinthine fistula ◼ Intracranial ◼ Epidural abscess, lateral sinus thrombosis, otitic hydrocephalus, ◼ meningitis, brain abscess, subdural abscess