Keyhole retrosigmoid approach for large vestibular schwannomas: strategies to improve outcomes

Neurosurgical Focus
Reid HoshideCharles Teo

Abstract

OBJECTIVE There are numerous treatment strategies in the management for large vestibular schwannomas, including resection only, staged resections, resections followed by radiosurgery, and radiosurgery only. Recent evidence has pointed toward maximal resection as being the optimum strategy to prevent tumor recurrence; however, durable tumor control through aggressive resection has been shown to occur at the expense of facial nerve function and to risk other approach-related complications. Through a retrospective analysis of their single-institution series of keyhole neurosurgical approaches for large vestibular schwannomas, the authors aim to report and justify key techniques to maximize tumor resection and reduce surgical morbidity. METHODS A retrospective chart review was performed at the Centre for Minimally Invasive Neurosurgery. All patients who had undergone a keyhole retrosigmoid approach for the resection of large vestibular schwannomas, defined as having a tumor diameter of ≥ 3.0 cm, were included in this review. Patient demographics, preoperative cranial nerve status, perioperative data, and postoperative follow-up were obtained. A review of the literature for resections of large vestibular schwannomas was also perform...Continue Reading

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Citations

Feb 8, 2020·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·D I PitskhelauriN S Grachev
Apr 30, 2019·The Journal of Craniofacial Surgery·Songyu ChenXiangyu Ma
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Jun 23, 2021·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·G Yu GrigoryanYu A Grigoryan
Aug 10, 2021·Curēus·Roberto Rodriguez RubioAdib Abla

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Methods Mentioned

BETA
dissection
surgical resection

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