title: Malignant melanoma appearing in seborrheic keratosis.
mesh_terms: D002471:Cell Transformation, Neoplastic; D012628:Dermatitis, Seborrheic / Q000473:pathology*; D005260:Female; D006801:Humans; D007642:Keratosis / Q000473:pathology*; D008545:Melanoma / Q000473:pathology*; D008875:Middle Aged; D012878:Skin Neoplasms / Q000473:pathology*