J Korean Acad Pediatr Dent.  2020 Nov;47(4):463-468. 10.5933/JKAPD.2020.47.4.463.

An Unusual Occurrence of Epidermoid Cyst in the Inner Mucosa of the Upper Lip: A Case Report

  • 1Department of Pediatric Dentistry, School of Dentistry, Chonnam National University


Epidermoid cysts are rare benign lesions in the oral cavity that may be either congenital or acquired. The cysts are usually slow-growing and asymptomatic until becoming secondarily infected or large enough to interfere with mastication and speech. Consequently, diagnosis is often delayed. The condition is also uncommon in newborns and infants. Most of the lesions occur in the floor of the mouth and rarely in the upper lip. This report describes the case of a 29-month-old girl with a palpable mass in the inner mucosa of the upper lip. The lesion was surgically enucleated using an intraoral approach and histopathologically diagnosed as epidermoid cyst.

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