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KMID : 0390220060170020248
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2006 Volume.17 No. 2 p.248 ~ p.252
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Conductive Hearing Loss Secondary to a High Jugular Bulb in a Pediatric Patient
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Ahn Soo-Yong
Kim Bo-Young
Kang Myung-Koo
Choi Sun-Seob
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Abstract
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A high jugular bulb (HJB) is a rare anatomical variation and is usually discovered as an incidental finding on physical examination, middle ear surgery, or computerized tomography of the temporal bone. Frequently, it is asymptomatic, but it may cause tinnitus, vertigo, conductive or sensorineural hearing loss. Conductive hearing loss in association with a HJB has been reported infrequently in the literature. A loss of conduction may result from obliteration of the round window, interference with the ossicular chain and/or contact with the tympanic membrane. A HJB can be confused with both vascular and non vascular masses of the middle ear. Surgical treatment of a HJB to correct the conductive hearing loss is not recommend mostly. We report the case of a six-year-old female with unilateral conductive hearing loss secondary to a HJB. The clinical features, diagnosis, differential disgnosis, and management of a conductive hearing loss associated with a HJB are discussed.
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KEYWORD
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High jugular bulb, Hearing loss, Conductive
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