2023
Focal nodular hyperplasia–like nodules arising in the setting of hepatic vascular disorders with portosystemic shunting show β-catenin activation
Umetsu S, Joseph N, Cho S, Morotti R, Deshpande V, Jain D, Kakar S. Focal nodular hyperplasia–like nodules arising in the setting of hepatic vascular disorders with portosystemic shunting show β-catenin activation. Human Pathology 2023, 142: 20-26. PMID: 37806391, DOI: 10.1016/j.humpath.2023.09.010.Peer-Reviewed Original ResearchConceptsHepatic vascular disordersFocal nodular hyperplasiaFNH-like nodulesHepatocellular adenomaVascular disordersHepatocellular carcinomaΒ-catenin activationPortosystemic shuntRegenerative nodulesFocal nodular hyperplasia-like nodulesPost-Fontan procedureGlutamine synthetase stainingAbernethy malformationLiver resectionPortosystemic shuntingHistologic featuresMalignant neoplasmsNodular lesionsVascular diseaseDuctular reactionNodular hyperplasiaNodular architectureHepatocellular nodulesBenign lesionsFibrous septa
2013
Diagnostic utility and limitations of glutamine synthetase and serum amyloid-associated protein immunohistochemistry in the distinction of focal nodular hyperplasia and inflammatory hepatocellular adenoma
Joseph NM, Ferrell LD, Jain D, Torbenson MS, Wu TT, Yeh MM, Kakar S. Diagnostic utility and limitations of glutamine synthetase and serum amyloid-associated protein immunohistochemistry in the distinction of focal nodular hyperplasia and inflammatory hepatocellular adenoma. Modern Pathology 2013, 27: 62-72. PMID: 23807780, DOI: 10.1038/modpathol.2013.114.Peer-Reviewed Original ResearchMeSH KeywordsAdenoma, Liver CellAdolescentAdultAgedBiomarkers, TumorBiopsyC-Reactive ProteinChildChild, PreschoolDiagnosis, DifferentialDiagnostic ErrorsFemaleFocal Nodular HyperplasiaGlutamate-Ammonia LigaseHumansImmunohistochemistryInflammation MediatorsLiver NeoplasmsMaleMiddle AgedPredictive Value of TestsSerum Amyloid A ProteinYoung AdultConceptsSerum amyloid-associated proteinFocal nodular hyperplasiaAmyloid-associated proteinsInflammatory hepatocellular adenomaNodular hyperplasiaHepatocellular adenomaStaining patternDuctular reactionFibrous stromaFocal nodular hyperplasia casesMap-like patternOverlapping histological featuresGlutamine synthetase stainingHistological featuresProtein immunohistochemistryHyperplasia casesIndeterminate lesionsPositive stainingHyperplasiaDiagnostic utilityAdenomasBlood vesselsFrequent overlapStainingDiagnostic errors