title: Differential diagnosis of malignant melanoma.
mesh_terms: D002610:Cheek; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D007642:Keratosis / Q000175:diagnosis; D008545:Melanoma / Q000175:diagnosis*; D012878:Skin Neoplasms / Q000175:diagnosis*