title: Painful lump on a middle-aged scalp. Squamous cell carcinoma.
authors.affiliation: St. Paul Medical Center, Dallas, Tex., USA.
authors.forename: P
authors.initials: P
authors.lastname: Cephus
authors.forename: R C
authors.initials: RC
authors.lastname: Blackburn
mesh_terms: D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D012535:Scalp; D012878:Skin Neoplasms / Q000175:diagnosis*