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Diversity of Cochleo-Vestibular Manifestations in Otic Capsule Sparing Temporal Bone Fracture Patients
Dept. of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Dankook Univ.
Hyunju HAN, Hyun-Ju HAN1, Bong-Jik KIM2, Jung-Gu LEE3, Jae-Yun JUNG1
¸ñÀû: Temporal bone fractures(TBFx) potentially may cause various vestibulo-cochlear problems. Especially, TBFx involving otic capsule inevitably result in ipsilesional hearing loss and vestibular weakness. But it is hard to predict the clinical features of the otic capsule sparing TBFx due to the variety of symptoms and clinical diagnosises. The specific aim of this study is to assess clinical features and classify diverse clinical manifestations of the otic capsule sparing TBFx. ¹æ¹ý:Among 92 TBFx referred to ENT department during a period of 10 years(2004-14), 43 patients of otic capsule sparing TBFx with audiometry and vestibular function test were analyzed. Average age of the patients was 46.20.58 years(11 females, 32 males). Causes of trauma were traffic accidents in 15(34.9%), fall downs in 24(55.8%), assault events in 2(4.7%), and others 2(4.7%). °á°ú:Cochlear manifestations were classified into 4 groups (1)Conductive Hearing loss in 19(ipsilesional 17, bilateral 2). (2) Sensorineural hearing loss in 7 (ipsilesional 6, bilateral 1). (3) Mixed hearing loss in 10 (ipsilesional 5, contralesional 2, bilateral 3). (4) Normal hearing in 7 patients. Vestibular manifestations were classified into 4 groups (1) BPPV in 18(ipsilesional 12, contralesional 4, bilateral 4). (2) Vestibulopathy in 18(ipsilesional 15, contralesional 3). (3) BPPV followed by vestibulopathy in 5. (4) others 3(PLF 1, Meniere's disease 1, central lesion 1). °á·Ð:Unlike otic capsule involving TBFx, otic capsule sparing TBFx patients showed diverse clinical manifestations which make proper diagnosis and treatment more complicate than any other clinical situations.


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