%0 Journal Article %A James T. McMahon %A Wilma F. Bergfeld %T Metallic cutaneous contaminant mimicking malignant melanoma %D 1983 %J Cleveland Clinic Journal of Medicine %P 177-181 %V 50 %N 2 %X A linear blue streak of the finger appearing as malignant melanoma is diagnosed with the analytical electron microscope as a cutaneous heavy metal contaminant having localized toxic effects ameliorated by the copresence of selenium. %U https://www.ccjm.org/content/ccjom/50/2/177.full.pdf