Clinical characteristics and endoscopic management of inflammatory fibroid polyp of the gastrointestinal tract

Figure 3 Endoscopic and pathological findings of an inflammatory fibroid polyp concurrent with early gastric cancer. A: White light endoscopy showing a gastric antrum lesion with erythema and an irregular, rough mucosal surface; B and C: Endoscopic resection of the lesion via endoscopic submucosal dissection; D: The resected specimen measuring 50 mm × 35 mm; E: Low-power view (hematoxylin and eosin staining, × 40) of inflammatory fibroid polyp (IFP) overlying adenocarcinoma tissue; F: High-power view (hematoxylin and eosin staining, × 200) of IFP adjacent to early gastric cancer foci; G: CD34 immunohistochemical staining (× 200) showing diffuse expression in spindle tumor cells of IFP; H: Ki67 immunohistochemical staining (× 200) with a high proliferation index in the adenocarcinoma region and a low index in the IFP region.