期刊
ORL-JOURNAL FOR OTO-RHINO-LARYNGOLOGY HEAD AND NECK SURGERY
卷 74, 期 5, 页码 271-277出版社
KARGER
DOI: 10.1159/000343791
关键词
Vestibular schwannoma; Large vestibular schwannoma; Cystic vestibular schwannoma; Facial nerve function; Complication
资金
- National Natural Science Foundation of China [30801286, 30973307]
Background/Aims: The present study was a retrospective analysis of surgical outcomes of large or giant vestibular schwannomas (VSs) via a translabyrinthine approach (TLA). Methods: One hundred and fifteen sporadic large or giant VSs (maximal diameter in the cerebellopontine angle >= 31 mm) were operated via TLA between January 2001 and December 2010. We divided patients into two groups: cystic VS (CVS) and solid VS (SVS) group. The surgical outcomes were recorded and compared. Results: Total, near total, and subtotal tumor removal rate was 89.6, 7.8, and 2.6%, respectively. The near total removal rate in CVS was higher than that in SVS (16.7 vs. 3.8%). The anatomical facial nerve (FN) integrity was preserved in 101 patients (87.8%). More FNs in CVS were interrupted (22.2%). There were 29.6, 56.5, and 13.9% of patients who had a short-term (1 month) FN function of House-Brackmann grade I or II, III or IV, and V or VI, respectively. The CVS had worse FN function than the SVS group. The mortality rate was 0.9%. Cerebrospinal fluid leakage occurred in 8 patients (7.0%). Four (3.5%) patients had recurrence. Conclusions: Cyst formation is a crucial factor for surgical outcome of VS. With near total or subtotal tumor removal, worse functional outcomes in large or giant CVSs should be foreseen. Copyright (C) 2012 S. Karger AG, Basel
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