MANAGEMENT OF PETROUS BONE CHOLESTEATOMA: THE GRUPPO OTOLOGICO EXPERIENCE .ical 09-11, 08:00–08:30 (Europe/Istanbul), Otology 2 Enrico Piccirillo This speaker also appears in: VESTIBULAR SCHWANNOMA AND SIMOULTANEOUS COCHLEAR IMPLANT: INDICATIONS AND NEW PROSPECTIVES RADIOLOGICAL DIAGNOSIS OF MIDDLE EAR PATHOLOGIES