title: Malignant melanomata: an aid to preoperative diagnosis.
mesh_terms: D002280:Basal Cell Carcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006391:Hemangioma / Q000175:diagnosis; D006801:Humans; D008545:Melanoma / Q000175:diagnosis* / Q000601:surgery; D008853:Microscopy; D009508:Nevus, Pigmented / Q000175:diagnosis; D012878:Skin Neoplasms / Q000175:diagnosis