Fig. 5From: Unclassified hepatocellular adenoma with histological brown pigment deposition and serum PIVKA-II level elevation: a case reportImmunohistochemical stain findings. a Positive LFABP expression. b Positive GS expression. c Positive PIVKA-II expression. LFABP liver fatty acid-binding protein, GS glutamine synthetase, PIVKA-II protein induced by vitamin K absence or antagonist-IIBack to article page