• World Neurosurg · May 2024

    Case Reports

    Endoscopic Transsphenoidal Resection of Cystic Third Ventricular Craniopharyngioma with Cysto-Cisternal Fenestration.

    • Andrew K Wong, Joseph Raviv, and Ricky H Wong.
    • Department of Neurosurgery, Rush University, Chicago, Illinois, USA.
    • World Neurosurg. 2024 May 1; 185: 224224.

    AbstractCystic craniopharyngiomas of the third ventricle can be challenging to treat because complete resection of the cyst wall can be associated with hypothalamic dysfunction and minimal rostral displacement of the optic chiasm leads to a small endonasal operative corridor. Various methods to overcome the frequent recurrences have been described, such as intracystic bleomycin or catheter placement, with mixed results.1-12 In Video 1, we describe a simple cystocisternal fenestration technique with preservation of the rostral cyst wall via an endoscopic endonasal approach where the solid portion of the tumor is resected, and the inferior wall of the cyst is opened into the prepontine cistern and the superior wall of the cyst and adjacent third ventricle are preserved. This allows for ventricular pressure to collapse the cyst cavity in the postoperative period. In select patients where safe complete resection of a cystic craniopharyngioma is prohibitive, this may provide a durable treatment and can be performed through a small endonasal corridor below a nondisplaced optic chiasm.Copyright © 2024 Elsevier Inc. All rights reserved.

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