• Eveline Teresa Hidalgo, Aryan Ali, Howard L Weiner, and David H Harter.
• Department of Neurosurgery, NYU Division of Pediatric Neurosurgery, New York University School of Medicine, New York.
• World Neurosurg. 2016 Mar 1; 87: 372-80.

ObjectiveNeuroendoscopy is increasingly being used in the management of intraventricular brain tumors. The role of endoscopy in diagnostic biopsy is well established. Expansion of these techniques may allow for definitive resection of intraventricular tumors. We report the feasibility and outcomes of endoscopic resection of select intraventricular tumors in children.MethodsThe clinical characteristics of 11 children with solid intraventricular tumors who underwent tumor resection were reviewed. Twelve procedures were performed.ResultsGross-total resection was achieved in 11 of 12 cases (92%). Maximal tumor diameter ranged from 9 to 26 mm (mean, 16.6 mm). Pathologic results included subependymal giant cell astrocytomas, ependymomas, nongerminomatous germ cell tumors, and pilocytic astrocytomas. Mean follow-up was 35 months (range, 10-109 months). All patients returned to their neurologic baselines after surgery. Local tumor recurrence occurred in 1 patient and distant recurrence in another. In 1 patient, a transitory intraoperative increase of intracranial pressure without clinical implications occurred. There was no permanent morbidity or mortality in this series. Hydrocephalus was present preoperatively in 5 cases and was treated either with tumor removal alone or with an additional endoscopic third ventriculostomy. No patient required a ventriculoperitoneal shunt.ConclusionsNeuroendoscopic gross-total resection of solid intraventricular tumors is a safe and efficacious procedure in carefully selected pediatric patients.Copyright © 2016 Elsevier Inc. All rights reserved.

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