1419
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Leukocytoclastic vasculitis
Skin
Haematoxylin & Eosin (H&E)
24 years
female
Palpable purpura of extremities. Known systemic Lupus erythematodes.
Preserved epidermis. Several superficial vessels showing fibrinoid necrosis of the vessel wall and perivascular neutrophilic infiltrate, some lymphocytes, eosinophils and histiocytes. Conspicuous nuclear dust secondary to karyorrhexis of neutrophilic granulocytes. Red blood cell extravasation.
Maya F├╝nfschilling, University of Basel
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