Minimally Invasive Bilateral Duo-Keyhole Approach for Giant Falcine Meningioma: 2 Dimensional Operative Video

Author:

Jean Walter C.12ORCID,Patrick Hayes H.3ORCID,Najera Edinson1ORCID

Affiliation:

1. Division of Neurosurgery, Lehigh Valley Fleming Neuroscience Institute, Allentown, Pennsylvania, USA;

2. Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, Florida, USA;

3. Department of Neurosurgery, George Washington University, Washington, District of Columbia, USA

Abstract

One of the key concepts behind minimally invasive keyhole cranial surgery is that as the operative corridor deepens, it also widens. The corridor should therefore be designed parallel to the long-axis of the tumor to optimize visualization. 1 These ideas were applied in a duo-keyhole operation for a falcine meningioma. The patient is a 79-year-old woman diagnosed with a large falcine meningioma compressing both frontal lobes. Her tumor was oriented with the long-axis, perpendicular to the superior sagittal sinus, and has bulbous extensions on both sides of the falx. Incisions on the falx, anterior and posterior to the tumor, in addition to a cut between it and the undersurface of the superior sagittal sinus, would render it practically devascularized and “free-floating. 2 ” One keyhole was insufficient, but one anterior and another posterior to the tumor would make the falcine cuts feasible. The operation was performed with the above scheme and the posterior keyhole to the left and anterior one to the right of midline to facilitate surface vascular detachment on both sides. The patient recovered well and was discharged home after 4 days. This procedure highlights that flexible application of the principles of minimally invasive keyhole. Neurosurgery can tailor-make an operation to precisely fit the unique features of a patient and the tumor. The procedure was performed under the ethical guidelines of our hospital. No Institutional Review Board consent was required or sought because the patient gave specific consent to the procedure and publication of her image.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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