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Published in: Acta Neurochirurgica 6/2021

01-06-2021 | Meningioma | Original Article - Tumor - Meningioma

Long-term outcome in meningiomas involving the major dural sinuses with combined therapy of subtotal resection and early postoperative gamma knife radiosurgery

Authors: Peng Lv, Jia-jing Wang, Nan-xiang Xiong, Xiao-ming Liu, Dong-xiao Yao, Xiao-bing Jiang, Hong-yang Zhao, Fang-cheng Zhang, Peng Fu

Published in: Acta Neurochirurgica | Issue 6/2021

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Abstract

Introduction

Total resection of meningiomas involving the major dural sinuses (MIMDS) is still challenging for neurosurgeons. Gamma knife radiosurgery (GKRS) was shown to have a high probability of tumor control. The current study evaluated the clinical outcomes of patients who underwent subtotal resection alone or in combination with postoperative GKRS for the treatment of WHO grade I MIMDS.

Methods

From January 2006 to December 2016, 204 patients with MIMDS underwent Simpson IV subtotal resection in Wuhan Union Hospital. In 151 patients, no additional treatment was performed, while the tumor remnant was treated with GKRS in 53 patients. All patients were monitored with regular MR follow-ups. We retrospectively reviewed the clinical data, radiological characteristics, and outcomes of these 204 patients. Progression-free survival (PFS) was determined by Kaplan-Meier analysis. Related factors were determined by univariate Cox regression analyses.

Results

The mean follow-up period was 75.5 months. The tumor recurrence/progression rates were 13.9% in the microsurgery group and 3.8% in the combined therapy group (p = 0.045). The 5- and 10- year progression-free survival (PFS) rates were 92.3 and 80.7%, respectively, in the microsurgery group and 100.0 and 88.5% in the combined therapy group. Treatment approach was found to be an independent prognostic factor for tumor recurrence/progression in the univariable analyses (p=0.04).

Conclusions

Compared with microsurgery alone, targeted Simpson grade IV resection combined with early gamma knife treatment resulted in longer progression-free survival without increased complications for WHO grade I MIMDS.
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Metadata
Title
Long-term outcome in meningiomas involving the major dural sinuses with combined therapy of subtotal resection and early postoperative gamma knife radiosurgery
Authors
Peng Lv
Jia-jing Wang
Nan-xiang Xiong
Xiao-ming Liu
Dong-xiao Yao
Xiao-bing Jiang
Hong-yang Zhao
Fang-cheng Zhang
Peng Fu
Publication date
01-06-2021
Publisher
Springer Vienna
Published in
Acta Neurochirurgica / Issue 6/2021
Print ISSN: 0001-6268
Electronic ISSN: 0942-0940
DOI
https://doi.org/10.1007/s00701-021-04766-7

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