PMC9851379_01
(A) Endoscopic findings. An upper endoscopy showing the diffuse benign inflammatory gastric polyps caused a subtotal obstruction of the gastric outlet. (B) UGBCR showed gastric mucosal destruction and a huge filling defect in the stomach. (C) The stomach is being filled with polyps. These polyps showed a coral plexiform change. UGBCR, upper gastrointestinal barium contrast roentgenography.
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F1
Upper endoscopy demonstrated numerous finger-like polyps and nodular lesions that aggregated in the antrum, duodenal bulb, and extension of the gastric body into the cardia (Figure 1A). Upper gastrointestinal barium contrast roentgenography (UGBCR) demonstrated that gastric mucosal destruction and an enormous filling defect were located in the stomach (Figure 1B). At the time of surgery, the stomach was markedly dilated and filled with polyps (Figure 1C).
(A) Histopathological view through a medium-power microscope. Microscopic findings reveal the infiltration of eosinophils cells. (B) Polyp lesions do not invade the muscularis (hematoxylin-eosin x100). (C) Hereditary polyposis syndrome and malignancy-associated genes are negative.
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F2
In addition, microscopic findings revealed papillary villous inflammation polyp (Figures 2A,B).