Fig. 1
Preoperative view. The mass occurring in both superior lips and philtrum.
Fig. 2
The dissected oval-shaped giant mass with minimizing the damages to the adjacent anatomical structures.
Fig. 3
(A) On histopathology, the cystic wall is composed of a multilayer of epithelial cells containing keratohyaline granules, accompanied by chronic inflammation and keratinization of mucosa and epidermoid cyst (H&E, ×100). (B) There are many monocytes, lymphocytes and granuloma, suggestive of chronic inflammation, concurrently with hyperplasia and keratinization of mucosal cells (H&E, ×200).