Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Aug 6, 2022; 10(22): 7989-7993
Published online Aug 6, 2022. doi: 10.12998/wjcc.v10.i22.7989
Figure 1
Figure 1 Histological and immunohistochemical images of Merkel cell carcinoma. A: Hematoxylin and eosin staining showed “small round blue cell tumor”; B: Immunohistochemical staining for keratin 20 showed perinuclear dot-like staining. C: Immunohistochemical staining for KI-67 showed a very high proliferative index; D: Immunohistochemical staining for synaptophysin showed the staining of the neuroendocrine granules in the cytoplasm of cells. Magnification, × 400.