Case Report
Copyright ©The Author(s) 2020.
World J Gastroenterol. Feb 14, 2020; 26(6): 686-695
Published online Feb 14, 2020. doi: 10.3748/wjg.v26.i6.686
Figure 5
Figure 5 Pathological examination and immunohistochemical staining (20 ×). A: Hematoxylin and eosin staining revealed poorly differentiated gallbladder neuroendocrine carcinoma with liver invasion; B: Immunohistochemical staining revealed positive expression of chromogranin A; C: Immunohistochemical staining revealed positive expression of synaptophysin; D: Immunohistochemical staining revealed that the Ki-67 index was > 80%.