title: A rapidly growing squamous cell carcinoma or keratoacanthoma or both?
authors.forename: Dagmar
authors.initials: D
authors.lastname: Wilsmann-Theis
authors.forename: Jörg
authors.initials: J
authors.lastname: Wenzel
authors.forename: Hilke H
authors.initials: HH
authors.lastname: Betten
authors.forename: Guido
authors.initials: G
authors.lastname: Kukuk
authors.forename: Thomas
authors.initials: T
authors.lastname: Bieber
authors.forename: Monika H
authors.initials: MH
authors.lastname: Schmid-Wendtner
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005148:Facial Dermatoses / Q000175:diagnosis*; D006801:Humans; D016867:Immunocompromised Host; D007636:Keratoacanthoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000175:diagnosis*; D016312:Treatment Refusal