Figure 1From: Gastric non-secreting neuroendocrine tumor and hypochlorhydria-related hypergastrinemia: a case report Hematoxylin and eosin staining (×100) of gastric biopsy showed trabecular structures of small round-oval cells (A); immunohistochemical staining (×100) showed that the cytoplasm is positive for synaptophysin, which confirms the diagnosis of neuroendocrine carcinoma (B). Back to article page