- Marble-patterned cyanosis of the skin.
- Due to reduced arteriolar flow.
- Usually in women.
Causes:
- Physiological, i.e. cold-induced. Revesible.
- Vasculitis, e.g. SLE, PAN.
- Hyperviscosity due to cryoglobulinaemia or polycythaemia.
- Sneddon syndrome - livedo reticularis with cerebrovascular disease and circulating antiphosphlipid antibodies.
Treatment is aimed at the underlying disease.
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