Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Jan 14, 2022; 10(2): 709-716
Published online Jan 14, 2022. doi: 10.12998/wjcc.v10.i2.709
Figure 2
Figure 2 Pathological section. A: Hematoxylin & eosin (HE, × 100). Diffuse infiltration and growth of tumor cells; B: HE (× 200). Tumor cells were composed of medium to large lymphoid cells, most of which were round and oval, double chromotropic or basophilic, containing less cytoplasm and large nuclei; C: Immunohistochemical SP method of CD20 staining. Strong positively stained cell membrane in all tumor cells (the brownish yellow part of the picture); D: Immunohistochemical SP method of CD20 staining. Strong positively stained cell membrane in all tumor cells (the brownish yellow part of the picture).