Fig. 2From: Hemorrhagic bullous lesions in Henoch-Schönlein purpura: a case report and review of the literatureSkin biopsy showed endothelial swelling with fibrinoid necrosis of small venules surrounded by intense neutrophilic infiltration, erythrocyte extravasation and neutrophilic karyorrhectic debris (hematoxylin and eosin stain, × 400)Back to article page