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Research in Vestibular Science > Volume 12(4); 2013 > Article
Research in Vestibular Science 2013;12(4): 132-135.
외상 후 돌발성 난청과 어지럼증으로 나타난 상반고리관피열증후군
, , , 강성일1, 이선주1, 김지수2, 구자원1,3
서울대학교 의과대학 분당서울대학교병원 1이비인후과, 2신경과, 3서울대학교 의학연구원 감각기관연구소
Superior Semicircular Canal Dehiscence Syndrome Presenting with Sudden Deafness and Vertigo after Trauma
Seong Il Kang, Sunjoo Lee, Ji Soo Kim, Ja Won Koo
1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea. jwkoo99@snu.ac.kr
2Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
3Research Center for Sensory Organs, Medical Research Center, Seoul National University, Seoul, Korea.
ABSTRACT
Superior semicircular canal dehiscence syndrome (SCDS) is characterized by cochleovestibular hyper-responsiveness symptoms including sound- and pressure- evoked vertigo and oscillopsia, autophony, hyperacusis and ear fullness. The typical audiometric feature of SCDS is known as conductive hearing loss at low frequency. A 43-year-old man presented with unilateral sudden deafness after several events of heading during soccer game. High-resolution temporal bone computed tomography revealed a dehiscence of superior canal encased by superior petrous sinus. We reviewed audio-vestibular findings in this patient and speculated potential pathogenic mechanisms of sudden deafness in SCDS with literature review.
Keywords: Semicircular canals; Deafness; Superior canal dehiscence syndrome; Trauma; Perilymph fistula
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