J Rhinol > Epub ahead of print
Published online January 15, 2021.
DOI: https://doi.org/10.18787/jr.2020.00340    [Epub ahead of print]
Resection of Ewing Sarcoma in the Paranasal Sinus Via the Endoscopic Modified Lothrop (Draf III) Approach
Hye Min Han, Young-Chan Kim, Ki Jeong Lee, Tae Hoon Kim
Department of Otorhinolaryngology-Head and Neck Surgery, Korea University, College of Medicine, Seoul, Korea
Correspondence: 
Tae Hoon Kim, Tel: +82-2-920-5486, Fax: +82-2-925-5233, Email: doctorthk@gmail.com
Received: 16 October 2020   • Accepted: 13 November 2020
Abstract
Ewing sarcoma is a rare type of bone tumor that typically occurs in the head and neck regions. Appropriate management strategies remain controversial. Herein, we report a case of Ewing sarcoma originating from the ethmoid sinus in a 38-year-old woman. The patient initially presented with unilateral nasal obstruction. Pathologic examination revealed a tumor composed of small round blue cells under hematoxylin and eosin staining with positive expressions for CD-99, CK, and FLI-1. The patient was successfully treated with neoadjuvant chemotherapy followed by complete surgical excision via the endoscopic modified Lothrop (Draf III) approach, adjuvant chemotherapy, and radiation therapy. There was no recurrence or complication up to the writing of this article. This study presents an appropriate management strategy for an extensive case of Ewing sarcoma invading the frontal sinus using an endoscopic approach.
Key Words: Ewing sarcomaParanasal sinus neoplasmsEthmoid sinusFrontal surgery


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