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. 2016 May 16;14:145. doi: 10.1186/s12957-016-0901-x

Fig. 5.

Fig. 5

Histopathological aspects. Vasculitis with the presence of polymorphonuclear neutrophils on the vascular wall, with leukocytoclastic aspect (a HE staining, ×100; b HE staining, ×200) and fibrinous exudate (c, d HE staining, ×100). Vasculitis process (caught in a tangential, longitudinal section) with inflammatory destruction of the blood vessel wall with the presence of polymorphonuclear neutrophils on the vascular wall, with leukocytoclastic aspect and fibrinous exudate