What are histologic findings characteristic of antiphospholipid syndrome (APS)?

Updated: Nov 24, 2020
  • Author: Suneel Movva, MD; Chief Editor: Herbert S Diamond, MD  more...
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Unlike inflammatory autoimmune diseases, histologic studies of skin or other involved tissue reveal a noninflammatory bland thrombosis with no signs of perivascular inflammation or leukocytoclastic vasculitis. Similarly, biopsy samples from affected kidneys demonstrate glomerular and small arterial microthrombi.

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