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Figure 3: Biopsy specimen of a new lesion of the right knee (hematoxylin-eosin stain). Focal vesiculationwith intraepidermal lymphocytes and neutrophils. Dermal infiltrate of lymphocytes and eosinophils, accentuated around the postcapillaryvenules, extravasated erythrocytes, and discrete endothelial swelling. (E) Epidermis; (D) Dermis;(FILN) Focal vesiculation with intraepidermal lymphocytes; (LI) Leucocyte infiltration.
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