Figure 1From: Recurrent pyoderma gangrenosum precipitated by breast cancer: a case report and review of the literature Pyoderma gangrenosum. (a) Biopsy specimen from the edge of the leg ulceration: histological pattern (hematoxylin and eosin stain (HE) staining; 200×). The inset within Figure 1a refers to Figure 1b. (b) An intensive mixed inflammatory infiltrate including mainly neutrophils, with accompanying vessel destruction and necrosis of the epithelium.Back to article page