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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 38(6); 1995 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1995;38(6): 818-23.
Clinical Analysis of Labyrinthine Fistula in Chronic Otitis Media with Cholesteatoma
Hyo Joon Kim, MD, Kwang Sun Lee, MD, Tae hyun Yoon, MD, and Kwang Chol Chu, MD
Department of Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
진주종성 중이염으로 인한 미로누공의 임상적 분석
김효준 · 이광선 · 윤태현 · 추광철
울산대학교 의과대학 서울중앙병원 이비인후과학교실

Twenty seven cases of surgically proven labyrinthine fistula in the chronic otitis media with cholesteatoma were analysed retrospectively. The duration of the chronic otitis media were more than 10 years in the most of the patients. Preoperative audiogram showed sensorineural hearing loss in 12 patients(44%). Main common preoperative complaints were otorrhea and vertigo and 13 patients (48%) had vertigo preoperatively. Preoperative fistula test by a Politzer bag was positive in 21% of patients. However, high resolution temporal bone CT(Computed Tomogram) revealed high diagnostic accuracy and 13 out of 14 patients(93%) were diagnosed labyrinthine fistula preoperatively by the temporal bone CT. The site of labyrinthine fistula was mainly lateral semicircular canal alone in 24 patients(88%) and two patients had a fistula in the cochlea. All patients were operated with the open cavity mastoidectomy and the cholesteatoma matrix on the fistula were removed. Pre- and postoperative bone conduction hearings were compared in 11 patients who had a residual hearing preoperatively ; improved in two, no change in three, and worsened in six patients, respectively.

Keywords: CholesteatomaLabyrinthine fistula.
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