White-skinned man changes colour

German doctors have reported the case of a white man whose skin progressively turned blue-grey as a result of melanoma.

The 76-year-old was admitted to hospital after several weeks of his skin progressively changing colour and increased generalised weakness.

“Because of the pronounced change of skin colour, this white patient was no longer recognisable on his identity card,” said the case report authors from Heinrich Heine University.

The man had been diagnosed with melanoma 14 months earlier and had multiple metastases of the liver and