case_images: PMC11739283_01
case_images: Re-examination gastroendoscopy of the patient 3 years after endoscopic submucosal dissection in March 2021. (A, B) There were visible submucosal vascular networks at the fundus and gastric body of the stomach. (C) There was no obvious atrophy of mucosa on the gastric antrum. (D) A surgical scar was observed in the mucosa of gastric body (black arrow). (E, F) In the greater curvature of the gastric body, two mucosal bulges of about 0.5 mm each were observed (black arrow).
case_images: fmed-11-1519819-g0001.jpg
case_images: PMC11739283_01_fmed-11-1519819-g0001.jpg
case_images: F1
case_images: Two mucosal bulges of about 0.5 x 0.5 mm in size were seen in the greater curvature of the gastric body, one of which had a red surface, with depression and erosion in the center (Figure 1).
case_images: H&E staining of the two mucosal bulges and the representative images of immunohistochemical staining. (A, B) H&E staining of the two entire lesions (5 x magnification). The immunohistochemical staining images of the two lesions. The staining antigens were CK (C), CgA (D), Cyn (E), and ki-67 (F), respectively (40 x magnification).
case_images: fmed-11-1519819-g0002.jpg
case_images: PMC11739283_01_fmed-11-1519819-g0002.jpg
case_images: F2
case_images: Pathology and immunohistochemistry of the gastric body lesions indicated G2-GNET, CK(+), CgA(+), Cyn(+), and Ki67(+3%) (Figure 2).