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This case video demonstrates a multidisciplinary approach to resection of a juvenile nasopharyngeal angiofibroma highlighting direct intratumoral onyx embolization. The patient is a 14-year-old boy who presented with a 1-month history of worsening epistaxis and nasal congestion. Preoperative magnetic resonance imaging demonstrated a 4.5 x 3 x 3 cm lobulated mass in the right pterygomaxillary space, sphenoid, and the nasopharynx adjacent to the cavernous carotid. Given the high vascularity of the lesion, intratumoral onyx embolization was undertaken, which significantly reduced intraoperative blood loss in this case. The present video demonstrates the technique for safe direct intratumoral onyx embolization and its role in significantly reducing intraoperative blood loss (Video 1). Postoperatively, the patient made an uncomplicated recovery. The patient consented to the procedure. [ABSTRACT FROM AUTHOR]