Retiform purpura on the arm - note that some of the lesions have a jagged edge. There was a myeloma-associated cryoglobulinaemia
Keywords: Arm, Dark red hameorrhagic plaques, Female, Irregular branching configuration, Myeloma-associated cryoglobulinaemia, Nonblanchable, 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
