sB7H3 in Children with Acute Appendicitis: Its Diagnostic Value and Association with Histological Findings

Figure 1

Typical histology of acute appendicitis at different stages (HE ×200). (a) Simple appendicitis: dilated and congested small blood vessels in the appendix wall, hyperplasia of mucosal lymphoid tissues, increased lymphoid follicles, enlarged germinal center, and obvious leukocyte adhesion in the local small mucosa of the mucosa. (b) Purulent appendicitis: dilated and congested small blood vessels in the appendix wall, neutrophil infiltration in each layer of tissue, fibrinous exudate, and necrosis in local mucosal layer tissue. (c) Gangrenous appendicitis: dilated and congested small blood vessels in the appendix wall, neutrophil infiltration in each layer of tissue, fibrinous exudate and necrosis, and hemorrhagic necrosis in whole layer of tissues. Internal scale .

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