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Clinical feasibility of three-dimensional reconstruction of computed tomography in translabyrinthine removal of vestibular schwannoma
J Korean Skull Base Soc 2022;17(1):18-26
Published online May 31, 2022
© 2022 Korean Skull Base Society.

Soomin Park, Beomcho Jun, Kihong Chang

Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
Correspondence to: Beomcho Jun
주소 : Department of Otolaryngology-Head and Neck Surgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 271 Cheonbo-ro, Uijeongbu 11765, Korea
Tel : +82-31-820-3657
Fax : +82-31-847-0038
E-mail : otojun@catholic.ac.kr
Received February 3, 2022; Revised March 24, 2022; Accepted April 5, 2022.
Abstract
Background : The purpose of this study was to evaluate the clinical utility of preoperative three-dimensional temporal bone reconstruction in patients for translabyrinthine removal of vestibular schwannoma.
Materials and Methods : Prior to commencement of the translabyrinthine approach, critical anatomical structures were traced and three-dimensionally reconstructed using computed tomography (CT) scans of the normal temporal bone. Two patients diagnosed with vestibular schwannoma via magnetic resonance imaging were evaluated in this study.
Results : Anatomical reconstruction allowed sequential planning of the translabyrinthine approach. The patient-tailored, preoperative image-guided approach prevented iatrogenic damage by predicting a high jugular bulb or a narrow sinodural angle.
Conclusions : Three-dimensional reconstruction illuminates the translabyrinthine approach and identifies difficulties that may be encountered at each step, thus preventing confusion.
Keywords : Three dimensional, Computed tomography, Temporal bone, Schwannoma, Vestibular


May 2022, 17 (1)
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