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박찬일,주인하 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
Otitis media with choloesteatomas is a clinically important disease entity because it causes destruction of surrounding bone and induces not only hearing loss but hazardous complications such as labyrinthitis, facial plasy and meningeal involvement. A clinical analysis was performed in 188 cases of otitis media with cholesteatoma that had been undergone tympanomastoidectomy at Dempartment of Otolaryngology, Chungnam National University Hospital from Jan. 1989 to Oct. 1993. Mixed type hearing loss was more common in adults than in children. The preoperative complications were rioted in 13.3%, one of children and 24 of adults ; labyrinthitis in 6.9%, deaf in 5.3%, subperiosteal abscess, facial nerve paralysis and exradural abscess in 1.6% each. Destruction of stapes superstructure was observed in 46.8%, 37.5% in children and 47.5% in adults. The pattern of extension of cholesteatoma into the temporal bone had no significant difference between in children and in adults. Labyrinthine fistula was rioted in 9.0%, one in children and 16 in adults.