title: Squamous cell carcinoma in situ overlying dermatofibroma.
abstract: There are occasional reports of benign proliferative epidermal changes overlying dermatofibromas and rare cases of invasive basal cell carcinoma. We report the first case to our knowledge of a dermatofibroma with overlying in situ squamous cell carcinoma.
authors.affiliation: Department of Medicine, Hahnemann University School of Medicine, Philadelphia, PA 19102-1192.
authors.forename: K L
authors.initials: KL
authors.lastname: Herman
authors.forename: G R
authors.initials: GR
authors.lastname: Kantor
authors.forename: S M
authors.initials: SM
authors.lastname: Katz
mesh_terms: D000368:Aged; D002278:Carcinoma in Situ / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D005260:Female; D005350:Fibroma / Q000473:pathology*; D006801:Humans; D007717:Knee; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*