(BMJ)—A 26-yo woman presented w/ rash on her abdomen and limbs x1y, plus R hand and L foot paresthesias x6mo. She had no fatigue, wt loss, fever, or arthralgia. Exam: palpable retiform erythema and broken livedo reticularis. Diminished sensation in R ulnar and L peroneal nerve distribution. Blood tests, incl full autoimmune screen, were WNL. What is the dx?
Thrombotic thrombocytopenic purpura
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Cryoglobulinemia
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Antiphospholipid syndrome
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Systemic lupus erythematosus
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Mononeuritis multiplex
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