Figure 1From: Keratin 19 marks poor differentiation and a more aggressive behaviour in canine and human hepatocellular tumoursExamples of canine nodular hyperplasia. Immunohistochemical staining of K19 negative cells is shown in (A). HE staining, double layered cords of well differentiated hepatocytes are shown in (B). Absence of immunohistochemical staining for glypican-3 is shown in (C). Positive immunohistochemical staining for HepPar-1 is shown in (D).Back to article page