Combined Approaches to the Skull Base for Intracranial Extension of Tumors via Perineural Spread can Improve Patient Outcomes

Head and neck malignancies with perineural spread are rare. Patients can present with neuropathic pain and cranial nerve palsies.1 Skull base approaches for surgical decompression are a consideration for patients to provide symptom relief.2 We demonstrate a frontotemporal extradural approach for a patient with worsening visual symptoms and refractory neuropathic pain in the V1, V2, and V3 distributions and briefly review the relevant anatomy.3-7 A 41-yr-old female with a poorly differentiated carcinoma of the head and neck with an infiltration of the cavernous sinus and perineural spread along the trigeminal nerve presented with severe neuropathic facial pain and anesthesia. She had previously undergone radiosurgery. Magnetic resonance imaging (MRI) demonstrated an interval increase in perineural disease within the cavernous sinus with extension intradurally. Her pain was medically refractory. A 2-dimensional intraoperative video illustrates the microsurgical decompression of her perineural invasion along the skull base as a palliative procedure. The patient recovered well postoperatively and had a symptomatic improvement in her pain and visual symptoms. Her preoperative facial numbness persisted postoperatively as expected. Postoperative imaging demonstrates a gross total resection of the intradural component of the tumor with decompression and expected expansion of the cavernous sinus. Because of the retrospective nature of this report, informed consent was not required. Images within the video have been reproduced from Fukuda et al4 with permission from © Georg Thieme Verlag KG; and Matsuo et al5 by permission of the Congress of Neurological Surgeons.

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Decompression of Cavernous Sinus for Trigeminal Neuropathic Pain From Perineural Spread of Tumor: 2-Dimensional Operative Video

Morris¹,

Hundley²,

Thomas³

et al. 2020

Operative Surg.

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Combined Approaches to the Skull Base for Intracranial Extension of Tumors via Perineural Spread can Improve Patient Outcomes

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Decompression of Cavernous Sinus for Trigeminal Neuropathic Pain From Perineural Spread of Tumor: 2-Dimensional Operative Video

Decompression of Cavernous Sinus for Trigeminal Neuropathic Pain From Perineural Spread of Tumor: 2-Dimensional Operative Video

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