• Joy Roach, Laurent Livermore, and Puneet Plaha.
• Department of Neurosurgery, Oxford University Hospital NHS Foundation Trust, John Radcliffe Hospital, Oxford, Oxfordshire, United Kingdom. Electronic address: joy.roach@ouh.nhs.uk.
• World Neurosurg. 2022 Nov 1; 167: e217e221e217-e221.

BackgroundHemangioblastomas are benign, often cystic tumors occurring most commonly in the cerebellum. We describe resection of cystic cerebellar hemangioblastomas using an endoscope-assisted technique.MethodsWe present a series of 9 cases and discuss the endoscopic technique for resection of cystic hemangioblastoma. Frameless neuronavigation was used in all cases. A small 1- to 1.5-cm corticotomy lined with Surgicel and patties allows access to the peritumoral cyst. Using bimanual microsurgical techniques and the 30-degree rigid endoscope to provide visualization, the mural nodule can be resected and the cyst cavity inspected.ResultsComplete resection of the mural nodule was achieved in all cases. One patient had a postsurgery pseudomeningocele requiring ventriculoperitoneal shunt. Hospital length of stay was short for all the patients.ConclusionsEndoscope-assisted resection is a safe and effective technique for surgical resection of cystic hemangioblastoma.Copyright © 2022 Elsevier Inc. All rights reserved.

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