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  Indian J Med Microbiol
 

Figure 3: Atypical lymphocytes through the surface epithelium. Immunohistochemical staining is positive for CD20 (a), CD 30 (b), and CD4 (c), and the Ki-67 proliferation index was over 50% (d)

Figure 3: Atypical lymphocytes through the surface epithelium. Immunohistochemical staining is positive for CD20 (a), CD 30 (b), and CD4 (c), and the Ki-67 proliferation index was over 50% (d)