Amelanotic lentigo maligna.
D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007911:Lentigo / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008545:Melanoma / Q000209:etiology*; D008875:Middle Aged; D012878:Skin Neoplasms / Q000175:diagnosis / Q000209:etiology*