• World Neurosurg · Jan 2020

    Review Multicenter Study

    Navigable Channel-Based Trans-sulcal Resection of Third Ventricular Colloid Cysts: A Multicenter Retrospective Case-Series and Review of the Literature.

    • Michelle Lin, Joshua Bakhsheshian, Ben Strickland, Robert C Rennert, Jefferson W Chen, Jamie J Van Gompel, Ronald L Young, Promod P Kumar, Jeroen Coppens, William T Curry, Brad E Zacharia, Julian E Bailes, and Gabriel Zada.
    • Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
    • World Neurosurg. 2020 Jan 1; 133: e702-e710.

    BackgroundDevelopments in frameless neuronavigation and tubular retractors hold the potential for minimizing iatrogenic injury to the overlying cortex and subcortical tracts, with improved access to the ventricular system. The objective of the present study was to evaluate the surgical outcomes after resection of third ventricular colloid cysts using an integrated neuronavigation and channel-based approach.MethodsWe performed a multicenter retrospective analysis of surgical Outcomes after surgical resection of third ventricular colloid cysts via a transtubular trans-sulcal approach.ResultsA total of 16 patients were included, with a mean age of 42 years (range, 23-62 years). The mean maximum diameter of cysts was 14 mm (range, 7-28 mm), and preoperative hydrocephalous was present in 12 patients (75%). Gross total resection was achieved in all 16 cases. Of the 12 patients, 4 (25%) had undergone septum pellucidotomy, in addition to cyst resection. No case had required conversion to open craniotomy. No perioperative mortalities occurred. Three patients (18.8%) had developed transient memory deficits, 1 of whom had also developed a pulmonary thromboembolism. The median length of hospital stay was 4 days (range, 2-18 days). All the patients reported resolution of preoperative symptoms at the 1-month follow-up examination. Only 1 patient (6.25%) had required insertion of a ventriculoperitoneal shunt. The median follow-up duration was 6.5 months (range, 3-24 months), and no recurrences were observed.ConclusionUse of a channel-based navigable retractor provided a minimal trans-sulcal approach to third ventricular colloid cysts with the benefit of bimanual surgical control in an air medium for definitive resection of third ventricular colloid cysts.Copyright © 2019. Published by Elsevier Inc.

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