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KMID : 1033720160170040222
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Archives of Craniofacial Surgery
2016 Volume.17 No. 4 p.222 ~ p.224
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Rare Giant Upper Lip Epidermal Cyst in a Patient Wearing a Denture
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Kim Jong-Chan
Hong In-Pyo
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Abstract
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Epidermal cysts are intradermal or subcutaneous cystic tumors that frequently occur in the face, scalp, neck, and body trunk. Acquired cases of epidermal cyst commonly occur as a result of various surgical operations, chronic irritation, or trauma, all of which may trigger the occurrence of the invagination of squamous epithelium. A 57-year-old man presented with a palpable mass 7 cm×2 cm in size in the upper lip. The patient had a 3-year history of wearing a denture to restore missing bilateral maxillary central and lateral incisors, accompanied by inflammatory findings on the buccal mucosa due to chronic lip irritation. The resected oval-shaped cyst had a size of 5.5 cm×3.0 cm×2.5 cm, and it was an encapsulated mass with a well-defined margin. The histopathology was typical of epidermal cyst. This case of a rare giant upper lip epidermal cyst in a patient wearing a denture may be of interest to clinicians.
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KEYWORD
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Giant epidermal cyst , Dentures , Chronic irritation
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