Microsurgical Resection and Stabilization of a Giant Spinal Schwannoma: 2-Dimensional Operative Video.

We illustrate the microsurgical resection of a giant lumbar spinal schwannoma in a 37-yr-old male who presented with worsening low back pain, weakness, and numbness and tingling in the bilateral legs and feet. Lumbar spine imaging demonstrated a large, heterogeneously enhancing intradural mass with notable bony erosion. Given the thinning of the pedicles, large tumor size, and bony remodeling, instrumentation was performed in addition to decompression, with direct stimulation-triggered electromyography and intraoperative neurophysiological monitoring. This video demonstrates the surgical technique for resection and accompanied reconstruction necessary for the management of these giant intradural lesions. Postoperatively, the patient had no complications, with improvement of neurological symptoms at follow-up. Though improved, the patient had some residual numbness at postoperative follow-up visit. The patient consented to the procedure. This video was deemed Institutional Review Board (IRB) exempt by the University of Pennsylvania IRB, as it is considered a case report, which does not require IRB approval or patient consent.

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© Congress of Neurological Surgeons 2021.