Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Jun 7, 2021; 27(21): 2895-2909
Published online Jun 7, 2021. doi: 10.3748/wjg.v27.i21.2895
Figure 4
Figure 4 Morphology and immunohistochemical staining of mixed adenoneuroendocrine carcinoma. A and B: Morphology of gastric small cell neuroendocrine carcinoma mixed with adenocarcinoma (hematoxylin and eosin staining, × 400); C: Gastric small cell neuroendocrine carcinoma mixed with adenocarcinoma (hematoxylin and eosin staining, × 200). Alcian blue/periodic acid–Schiff (AB-PAS) staining (× 200): The left side of the picture shows adenocarcinoma (AB-PAS positive); D: Chromogranin A-positive staining (× 200). The right side of the picture shows small cell neuroendocrine carcinoma.