Blue lunulae: argyria and hypercopprecaemia.


A 42-year-old woman presented with blue lunulae in association with argyria and hypercopprecaemia. The argyria was caused by the regular ingestion of colloidal silver in water over an extended period of time. The raised copper may have contributed to the nail discolouration, and was believed to be due either to ingestion of copper-containing multivitamin… (More)


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