Fig. 2From: A young girl with severe polyarteritis nodosa successfully treated with tocilizumab: a case reportHistology from skin biopsy. Skin biopsy from a nodule on the foot sole. Histology (hematoxylin eosin staining, × 10 magnification) demonstrated inflammation of a small artery with an inflammatory infiltrate of predominantly lymphocytes with neutrophils. No granulomas were seenBack to article page