title: Poorly differentiated squamous cell carcinoma arising within an epidermoid cyst.
authors.forename: J C
authors.initials: JC
authors.lastname: Malone
authors.forename: G B
authors.initials: GB
authors.lastname: Sonnier
authors.forename: A P
authors.initials: AP
authors.lastname: Hughes
authors.forename: A F
authors.initials: AF
authors.lastname: Hood
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002294:Carcinoma, Squamous Cell / Q000209:etiology* / Q000473:pathology; D004814:Epidermal Cyst / Q000150:complications* / Q000473:pathology; D005260:Female; D005546:Forehead; D006801:Humans; D012871:Skin Diseases / Q000150:complications* / Q000473:pathology; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology