title: Isolated, ulcerated violaceous nodule on left cheek: purpuric patch noted inferior to main lesion.
authors.affiliation: University of Arizona Health Sciences Center, Tucson, USA.
authors.forename: Norman
authors.initials: N
authors.lastname: Levine
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D015266:Carcinoma, Merkel Cell / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000601:surgery