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Endoscopic Coblation for the treatment of advanced juvenile nasopharyngeal angiofibroma

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October 4, 2012
by Brandon Pierson, MD; Rosser Powitzky, MD; G. Paul Digoy, MD, FAAP


We present 2 cases of advanced juvenile nasopharyngeal angiofibroma (JNA) to illustrate the advantages of endoscopic Coblation-assisted resection of intranasal extensions of these masses. Both patients—an 11-year-old boy and a 14-year-old boy—presented with a large, extensive mass (Radkowski stage IIIb and Fisch stage IVb in both cases). After embolization was performed on each patient, his JNA was partially ablated via an endoscopic approach with the Coblator II Surgery System with an EVac Xtra Plasma Wand in conjunction with an image-guided navigation system. Both patients experienced resolution of their nasal obstruction with removal of the intranasal extension of the tumor. Coblation allowed for a controlled debulking of the tumors with less blood loss and without the need for multiple instruments. To the best of our knowledge, our report is one of the first to describe image-guided endoscopic Coblation of advanced JNA tumors. Future studies in adequately sized populations are needed to determine the safety and effectiveness of Coblation-assisted endoscopic removal of both advanced and lower-stage JNAs.

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