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Korean J Audiol. 2011 Sep;15(2):72-75. English. Original Article.
Hwang E , Lim HJ , Lee HB , Kim SY , Park K , Park HY , Choung YH .
Department of Otolaryngology, Ajou University School of Medicine, Suwon, Korea.

BACKGROUND AND OBJECTIVES: Bondy operation is a type of modified radical mastoidectomy whose operation window is through an external auditory canal via removal of superior and posterior walls without management of the middle ears. However, the usefulness of this operation is unclear. This study aimed to review our clinical experience of modified Bondy operations and to clarify its usefulness. MATERIALS AND METHODS: Fifteen patients underwent a modified Bondy operation at the Department of Ajou University Hospital between 1996 and 2010. Their clinical data were retrospectively reviewed including age, gender, chief complaint, diagnosis, pure tone average (PTA, a mean threshold of 0.5, 1, 2, and 3 kHz before and 3 months after the operation), otoscopic finding, temporal bone computed tomography, and recurrence rate. RESULTS: The mean age of the 15 patients was 35.3+/-14 (range 18-65) years. Post-operative diagnosis of all cases was cholesteatoma (nine attic, three external auditory canal, one sinus, and two recurrent). Pre- and postoperative PTAs were 27.4+/-18.3 dBHL and 26.0+/-10.7 dBHL, respectively (p=0.72). No postoperative recurrence or complications were noted over at least a 3-month follow-up. CONCLUSIONS: Modified Bondy operation is a good option to preserve hearing and prevent recurrence after operations in cases of cholesteatoma with relatively preserved middle ears.

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