• Guive Sharifi, Esmaeil Mohammadi, Ali Jafari, Seyed Ali Mousavinejad, Arefeh Bahranian, Elham Paraandavaji, Yahya Daneshmand Khosravi, and Maryam Mohammadkhani.
• Department of Neurosurgery, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran; Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran.
• World Neurosurg. 2023 Jul 1; 175: e1110e1116e1110-e1116.

BackgroundBoth endoscopic and microsurgery transcortical resection methods are used for colloid cysts of the third ventricle but they have not been compared regarding benefits and pitfalls.MethodsData of patients who underwent surgical resection of third ventricle colloid cyst via either endoscopic or microsurgery approach by a single surgeon from 2005 to 2020 were retrospectively collected. After administration of criteria, 140 records were retrieved (60 patients through endoscopic resection and 80 patients by a transcranial microsurgery approach). Clinical and surgical measures were compared between the 2 types of surgery after adjustment for confounders.ResultsLength of hospital stay, postoperative meningitis, operation time, cyst size, and baseline comorbidities were similar between two groups. Gross total resection (GTR) was achieved for all patients in the microsurgery group, whereas in the endoscopic group, resection was lower (90% vs. 100%; P = 0.005). Intraoperative hemorrhage occurred in 14 endoscopic patients (23.3%), whereas for the microscopic group, it was zero (P < 0.001). Postoperative shunt was required for 2 patients (one in the endoscopic group and the other in the microscopic group). Two patients had tumor recurrence, both of whom were in the endoscopic group. No mortality was detected in either group. Multivariate analyses were insignificant for confounding effects of clinical and demographic factors in occurrence of worse surgical outcomes (non-GTR and hemorrhage).ConclusionsIn our series, the rate of intraoperative hemorrhage was higher with the endoscopic method and GTR was lower, even after adjustment for other factors. This situation could be caused by technological shortcomings and limited space for resection maneuvers and management of complications.Copyright © 2023 Elsevier Inc. All rights reserved.

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