title: Subcutaneous injection of mercury mimicking nodular melanoma.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000175:diagnosis; D006801:Humans; D007279:Injections, Subcutaneous; D008297:Male; D008545:Melanoma / Q000175:diagnosis*; D008630:Mercury Poisoning / Q000175:diagnosis*; D012646:Self Administration; D012867:Skin; D012878:Skin Neoplasms / Q000175:diagnosis*