Malignant atrophic papulosis: Two case reports

Figure 4 Histological findings of the gastrointestinal tract in case 1. A and B: Representative histological findings of the small bowel, which revealed extensive hyperemia, edema and necrosis (hematoxylin and eosin staining), as well as small vasculitis with fibrinoid necrosis and intraluminal thrombosis; C and D: Representative histological findings which showed inflammatory cell infiltration and congestion of the intestinal vasculature.