• Jae Yeon Moon, Namkyun Kim, Ji Yun Jeong, Jung Soo Kim, and Sung Jae Heo.
• Department of Otorhinolaryngology-Head and Neck Surgery, School of Medicine, Kyungpook National University, Daegu, South Korea.
• Medicine (Baltimore). 2022 May 20; 101 (20): e29246e29246.

RationaleLymphoepithelial cyst of the oral cavity is very rare. Most intraoral lymphoepithelial cysts are observed in the floor of the mouth and very few cases have been reported of its occurrence in the palatine tonsil.Patient ConcernsA 37-year-old healthy woman with no remarkable medical history visited our department with a complaint of frequent tonsillitis.InterventionsOn endoscopic examination, yellowish mass was observed in the palatine tonsil and removed via an intraoral approach. The mass was completely removed with the left palatine tonsil.Diagnoses OutcomesHistopathological examination and immunohistochemical staining confirmed a Lymphoepithelial cyst.LessonsLymphepithelial cysts of the palatine tonsils are extremely rare and are easily overlooked because there are few reported cases. Therefore, care must be taken when examining the tonsil mass.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

13 keywords...

hide…