Abstract：
BACKGROUND:Surgical treatment of giant vestibular schwannomas (GVS) is challenging. The philosophy of incomplete tumor resection may balance the preservation of facial nerve function and long-term tumor control. OBJECTIVE:We aimed to evaluate the outcome of facial nerve function and tumor control in treating GVS via our institutional surgical strategy. METHODS:From September 2009 to August 2014, 218 patients who underwent surgical treatment of GVS were enrolled in our study. The clinical features, extent of resections, facial nerve outcome, and the tumor regrowth free rate of these patients were retrospectively analyzed. The treatment strategy of this disease was discussed. RESULTS:All patients had anatomic preservation of the facial nerve. Gross total resection (GTR) was achieved in 58 patients (28.6%), near-total resection (NTR) in 103 (50.7%), and subtotal resection (STR) in 42 (20.7%). Two patients died because of postoperative complications. After a mean follow-up of 39.7 ± 18.3 months, a favorable facial nerve outcome was achieved in 58.6%, 79.6%, and 83.3% of patients who underwent GTR, NTR, and STR, respectively. During follow-up, 20 patients had tumor regrowth and were treated by stereotactic radiosurgery (SRS), and tumor regrowth free rates were 96.6%, 92.2%, and 76.2% in GTR, NTR, and STR, respectively. The extent of resection was the independent risk factor for poor facial nerve function (P = 0.006). CONCLUSIONS:A surgical philosophy of prioritizing facial nerve preservation over total tumor resection was recommended in treatment of GVS. Favorable facial nerve outcome and tumor control were achieved after NTR of the tumors.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Zhang S,Liu W,Hui X,You Cdoi
10.1016/j.wneu.2016.06.119subject
Has Abstractpub_date
2016-10-01 00:00:00pages
137-144eissn
1878-8750issn
1878-8769pii
S1878-8750(16)30507-1journal_volume
94pub_type
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