title: [Diagnostic image (276). A man with a bizarre cutaneous abnormality].
abstract: A 72-year-old man presented with a cutaneous horn due to squamous cell carcinoma at the posterior side of the left knee.
authors.affiliation: Máxima Medisch Centrum, afd Chirurgie, Veldhoven. m.aldenzee@mmc.nl
authors.forename: M
authors.initials: M
authors.lastname: Aldenzee
authors.forename: M R M
authors.initials: MR
authors.lastname: Scheltinga
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D013472:Sunlight / Q000009:adverse effects*