Clinical experience sharing on gastric microneuroendocrine tumors: A case report

Figure 1 Gastroscopy in a patient with gastric microneuroendocrine neoplasms. The gastric body and fundus mucosa were obviously thinned, red and white, mainly white, the submucosal vascular network was transparent, and the gastric antrum mucosa was normal. A: Upper part of the greater curvature of the stomach; B: The lower part of the greater curvature of the stomach; C: The posterior wall of the lesser curvature of the gastric body; D: Gastric angle; E: Gastric fundus; F: Gastric antrum.

Figure 2 Pathological and immunohistochemical examination of the greater curvature of the gastric body. A: Hematoxylin and eosin mucosal tissue atrophy, lamina propria oxyntic glands disappeared, replaced by incomplete intestinal metaplasia glands and pseudopyloric glands, local mucosal lamina propria showed loss of proper glands, replaced by epithelioid/spindle-like cells nest; B: Ki-67 (+, about 1%); C: CgA (+); D: Syn (+).