A 35-year-old female with an extensive biphenotypic sinonasal sarcoma (BSNS) eroding through the left frontal sinus into the orbit required gross total resection of the tumor. We wanted to forgo an open approach and provide a less invasive alternative via combined endonasal and transorbital endoscopic techniques to allow for tumor removal through small, well-disguised incisions. We utilized three portals-nasal, transorbital, and anterior table window-to create interconnected orbit-sinonasal corridors, thus generating alternate pathways for visualization and manipulation of this extensive tumor. Laryngoscope, 134:1308-1312, 2024.
Keywords: endoscopic; minimally invasive; multi-disciplinary; sinonasal sarcoma; transorbital transnasal.
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