Urticaria is a common dermatologic disorder characterized by pruritic wheals, often surrounded by reflex erythema that resolves within 24 h. These skin manifestations may be accompanied by angioedema, or sudden swelling of the underlying dermis, which usually resolves within 72 h. Urticaria can be caused by various agents such as allergy, infection, or physical stress that provoke mast cell degranulation. However, yellow urticaria is an exceptional event that occurs in patients with hyperbilirubinemia due to liver or biliary diseases and most commonly in cirrhosis.
A 23‐year‐old woman followed for adult‐onset Still's disease (AOSD) presented fever and chest pain. Clinical examination showed erythematous papules suggestive of flagellate dermatitis. Laboratory findings showed increased Cardiac troponin. Myocarditis due to AOSD was therefore suspected. The patient was treated with prednisone and methotrexate with significant clinical improvement.
A 23-year-old woman followed for adult-onset Still’s disease (AOSD)
presented fever and chest pain. Clinical examination showed erythematous
papules suggestive of flagellate dermatoses. Laboratory findings showed
increased Cardiac troponin. Myocarditis due to AOSD was therefore
suspected. The patient was treated with prednisone and methotrexate with
significant clinical improvement.
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