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  Indian J Med Microbiol
 

Figure 1: (a) Showing sheets of small cells with mildly indented nucleus. Bile duct epithelium is also seen (H and E, ×200). (b) Common leukocytic antigen (CD45) showing positive staining (IHC × 400). (c) Myeloperoxidase showing positive staining (IHC × 400). (d) Ki67 proliferative index is about 50% (IHC × 600)

Figure 1: (a) Showing sheets of small cells with mildly indented nucleus. Bile duct epithelium is also seen (H and E, ×200). (b) Common leukocytic antigen (CD45) showing positive staining (IHC × 400). (c) Myeloperoxidase showing positive staining (IHC × 400). (d) Ki67 proliferative index is about 50% (IHC × 600)