Cold-induced purpura on the earlobe due to a cryoglobulinaemia
Keywords: Cold-induced purpura, Ear, Ear helix, Earlobe, Focal nonblanchable patch, Purplish-black haemorrhagic patch, Retiform purpura, Systemic vascular inflammatory disorder, Vascular disorder, Vascular reticulate eruption
Cryoglobulinaemia is a rare disorder characterised by the presence of abnormal immunoglobulin proteins in the blood that can precipitate out into tissues at low temperatures and causing inflammation and damage.
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Source: Dr Ian Coulson
