Case Report
Copyright ©The Author(s) 2020.
World J Clin Cases. Jul 6, 2020; 8(13): 2833-2840
Published online Jul 6, 2020. doi: 10.12998/wjcc.v8.i13.2833
Figure 2
Figure 2 Microscopic examination of the specimen using hematoxylin and eosin staining and immunohistochemistry staining. A and B: Microscopic examination of the specimen using hematoxylin and eosin staining show keratinized malignant cells (magnification: A, × 100; B, × 400); C: Immunohistochemically, neoplastic cells are positive for p63 (C, × 100); D: The Programmed death-ligand 1 tumor proportion score was ≥ 50% (× 400; PD-L1 IHC 22C3 pharmDx™ Kit, DAKO, Denmark).