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Vestibular Schwannoma Atypically Invading Temporal Bone

Title
Vestibular Schwannoma Atypically Invading Temporal Bone
Authors
Park, Soo JeongYang, Na-RaeSeo, Eui Kyo
Ewha Authors
서의교양나래
SCOPUS Author ID
서의교scopus; 양나래scopus
Issue Date
2015
Journal Title
JOURNAL OF KOREAN NEUROSURGICAL SOCIETY
ISSN
2005-3711JCR Link1598-7876JCR Link
Citation
vol. 57, no. 4, pp. 292 - 294
Keywords
Vestibular schwannomaTemporal bone invasion
Publisher
KOREAN NEUROSURGICAL SOC
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Vestibular schwannoma (VS) usually present the widening of internal auditory canal (IAC), and these bony changes are typically limited to IAC, not extend to temporal bone. Temporal bone invasion by VS is extremely rare. We report 51-year-old man who revealed temporal bone destruction beyond IAC by unilateral VS. The bony destruction extended anteriorly to the carotid canal and inferiorly to the jugular foramen. On histopathologic examination, the tumor showed typical benign schwannoma and did not show any unusual vascularity or malignant feature. Facial nerve was severely compressed and distorted by tumor, which unevenly eroded temporal bone in surgical field. Vestibular schwannoma with atypical invasion of temporal bone can be successfully treated with combined translabyrinthine and lateral suboccipiral approach without facial nerve dysfunction. Early detection and careful dissection of facial nerve with intraoperative monitoring should be considered during operation due to severe adhesion and distortion of facial nerve by tumor and eroded temporal bone.
DOI
10.3340/jkns.2015.57.4.292
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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