Immunohistochemical study of hepatic oval cells in human chronic viral hepatitis

Figure 1 Oval cell identified by c-kit staining (Immunohistochemistry ABC method; original magnification: × 400)

Figure 2 Oval cells were located predominantly in the periportal region in hepatic cihrrosis (Immunohistochemistry ABC method; stained by c-kit; original magnification: × 400)

Figure 3 Oval cells were often found in close association with inflammatory cells in chronic active hepatitis (Figure 3). (Immunohistochemistry ABC method; stained by π -GST, original magnification: × 400)

Figure 4 “Transitional cells” from a patient with hepatic cirrhosis (Immunohistochemistry ABC method; stained by CK19; original magnification: × 400)