Fig. 2
From: A case of Henoch-Schonlein Purpura with dilated coronary arteries
Skin Biopsy. a 20× view of vessels with thickened and homogenized lumens and surrounding acute inflammation (neutrophil predominant, with rare eosinophils). All are hallmarks of leukocytoclastic vasculitis seen in HSP. Note surrounding dermal hemorrhage. b 40X view. Granular staining of IgA in vessels was noted under immunofluorescence