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.
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