title: Malignant melanoma developing in a tattoo.
mesh_terms: D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008297:Male; D008545:Melanoma / Q000209:etiology* / Q000473:pathology; D008854:Microscopy, Electron; D008875:Middle Aged; D010860:Pigments, Biological; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology; D013653:Tattooing / Q000009:adverse effects*
chemical_list: D010860:Pigments, Biological