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CASE REPORT
Year : 2018  |  Volume : 24  |  Issue : 2  |  Page : 117-119

Double-Peak tympanometry in keratosis obturans


Department of Otorhinolaryngology, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia

Correspondence Address:
Dr. Mohd Khairi Md Daud
Department of Otorhinolaryngology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan
Malaysia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/indianjotol.INDIANJOTOL_97_17

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Tympanometry is an effective objective tool used to identify problems in the middle ear. Keratosis obturans (KO) is a rare condition but may cause bony erosion and gradual expansion of the bony external auditory canal (EAC). We report a case of 32-year-old woman with KO who presented with bilateral hearing loss for a few years and right ear pain and discharge for 3 months before visit to an otorhinolaryngology clinic. She was treated by ear drops antibiotic and repeated ear toilet. Tympanometry done revealed a large EAC volume with a double-peak admittance. Double-peak tympanometry with an intact tympanic membrane may indicate diseases causing severe erosion in the EAC.


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