Figure 1. Histological features of obliterative portal venopathy including fibrotic portal tracts with the absent normal portal vein. There is no bridging fibrosis and no evidence of cirrhosis (trichrome stain). In addition, biliary duct injury with eosinophil reaction in the portal area is present. Hematoxylin and eosin (H&E) staining, magnification × 200, scale bar = 20 µm (a); and trichrome stain, magnification × 100 (b).
