Endoscopic Removal of an Epithelial Cyst of the Zygoma

This study elaborates a brief overview of epithelial cysts in the bones of the skull and describes an unusual patient with an epidermoid cyst of the zygoma. This report focuses on an endoscopic preauricular infratemporal fossa approach for resection of a left epidermoid cyst of the zygoma. Preoperative magnetic resonance imaging and computed tomography imaging as well as intraoperative endoscopic images and movie were demonstrated. The epithelial cyst was successfully removed from the patient using a minimally invasive approach utilizing endoscopes. No complications were encountered. The possible causes of this rare presentation and minimal surgical removal utilizing endoscopes were discussed in this study. According to the authors, this is the first reported study of endoscopic removal of an epidermoid cyst from the zygomatic root. The patient's previous surgical history of a tympanoplasty could have contributed to the unusual location of the lesion. Address correspondence and reprint requests to Joe Walter Kutz Jr, MD, FACS, Department of Otolaryngology - Head and Neck Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-9035; E-mail: Walter.Kutz@utsouthwestern.edu Received 15 May, 2018 Accepted 18 June, 2018 Dr Kutz is a consultant for Achaogen and Eloxx. The remaining authors report no conflicts of interest. Supplemental digital contents are available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (https://ift.tt/2iuFjMi). © 2018 by Mutaz B. Habal, MD.

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