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A case superior semicircular canal dehiscence syndrome surgically treated via middle cranial fossa approach: Cure of hyperacusis, pulsatile tinnitus, and dizziness
J Korean Skull Base Soc 2022;17(2):132-136
Published online September 30, 2022
© 2022 Korean Skull Base Society.

Sunwoo Lee, Yeonji Kim, Jae Sang Han, Shi Nae Park

Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
Correspondence to: Shi Nae Park
주소 : Department of Otorhinolaryngology- Head and Neck Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Korea
Tel : +82-2-2258-6215
Fax : +82-2-2258-1354
E-mail : snparkmd@catholic.ac.kr
Received May 31, 2022; Revised July 18, 2022; Accepted July 19, 2022.
Abstract
Superior semicircular canal dehiscence (SSCD) syndrome is a rare disease characterized by sound and pressure induced vertigo accompanying vertical-torsional nystagmus, caused by dehiscence or absence of a bone overlying the superior semicircular canal. Patients show various extent of symptoms related to hearing and balance impairment, according to the degrees of bony dehiscence of superior semicircular canal. The authors have experienced a 41-year-old male patient with the chief complaint of severe hyperacusis and dizziness. The patient was finally diagnosed as left SSCD, and the symtoms were successfully treated surgically by repairing SSCD via middle cranial fossa approach. We thus report a rare case of SSCD syndrome accompanying not only dizziness but also severe hyperacusis and successfully managed by surgical method via middle cranial fossa approach.
Keywords : Superior semicircular canal dehiscence, Dizziness, Hyperacusis, Middle cranial fossa


October 2023, 18 (2)
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