• World Neurosurg · Dec 2022

    Case Reports

    Minimally Invasive Resection of Intraventricular Pilocytic Astrocytoma Using the Aurora Surgiscope in an Adult Patient: Technical Note.

    • Steven B Housley, Jaims Lim, Robert V Starling, and Adnan H Siddiqui.
    • Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA.
    • World Neurosurg. 2022 Dec 1; 168: 227231227-231.

    BackgroundPilocytic astrocytomas account for approximately 5%-6% of all gliomas and are most commonly diagnosed between the ages of 8 and 13 years. Although they may occur throughout the neuraxis, approximately two thirds arise from the cerebellum and optic pathway. Other locations of origin include midline structures such as thalamus, hypothalamus, and periventricular regions. Surgical approaches to lateral or third ventricular tumors include anterior transcallosal, subfrontal translamina terminalis, and anterior transcortical approaches. The Aurora Surgiscope is a single-use, disposable minimally invasive neurological endoscope designed for intraparenchymal hemorrhage evacuation. We present the successful use of this system to aid resection of a large intraventricular pilocytic astrocytoma.MethodsA 29-year-old man presented with signs of developing hydrocephalus and was found to have a large intraventricular tumor, which was later identified to be a rare intraventricular pilocytic astrocytoma. A ventriculostomy was performed as a temporizing measure, and he was transferred to our tertiary care facility for surgical management. Sulcal dissection was performed, and the endoscope was inserted to create a minimally invasive corridor to the lateral ventricle. Using the endoscope, bimanual surgery using multiple instruments simultaneously was possible and enabled gross total resection of the tumor.ResultsThe patient tolerated the procedure well and was discharged at his neurological baseline level.ConclusionsExtensive sulcal dissection preceding placement of the endoscope allowed access to the intraventricular space with minimal passage of parenchymal tissue. High-definition visualization was provided and allowed the operating surgeon to freely use both hands during surgery.Copyright © 2022 Elsevier Inc. All rights reserved.

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