Figure 5

Histopathology of group 4. Figure 5A-D are from case M1-1. Figures 5E and F are from case M1-4. All sections were stained with H&E, and the magnification is indicated by a bar. Figures 5A indicates very severe full-thickness necrotizing enteritis shaped like an erupting volcano (ve) (Figures 5A). Edema (ed) and cellular infiltration (ci) laminapropria mucosa and sub-mucosa are seen (Figures 5B and C). The crypt atrophies (Figures 5C and D). Component cell types are neutrophils, macrophages, and lymphocytes (Figure 5D). Minor erosion (e) and cellular infiltration (ci) are seen in laminapropria mucosa and sub-mucosa (Figures 5E).