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 ResearchMeSH KeywordsAdenoma, Liver CellBeta CateninCarcinoma, HepatocellularDiagnosis, DifferentialFocal Nodular HyperplasiaHumansLiver NeoplasmsVascular DiseasesConceptsHepatic 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 septaCRP Versus SAA for Identification of Inflammatory Hepatic Adenomas
Soon G, Yasir S, Jain D, Kakar S, Wu T, Yeh M, Torbenson M, Chen Z. CRP Versus SAA for Identification of Inflammatory Hepatic Adenomas. Applied Immunohistochemistry & Molecular Morphology 2023, 31: 590-595. PMID: 37698958, DOI: 10.1097/pai.0000000000001155.Peer-Reviewed Original ResearchConceptsC-reactive proteinFocal nodular hyperplasiaHepatic adenomaInflammatory hepatic adenomaInflammatory adenomasNodular hyperplasiaH-scorePositive C-reactive proteinBeta-catenin activationProportion of casesInflammatory hepatocellular adenomaGlutamine synthetase stainingComplication riskRetrospective studyResection specimensPatient managementHepatocellular adenomaImmunohistochemical stainingSerum amyloidPositive stainingControl groupAdenomasIntense stainingMolecular classificationCRP stainingHepatocellular Adenoma: Report of 2 Cases That Highlight the Relevance of Phenotype-Genotype Correlation in the Pediatric Population
Jiao J, Finberg K, Jain D, Morotti R. Hepatocellular Adenoma: Report of 2 Cases That Highlight the Relevance of Phenotype-Genotype Correlation in the Pediatric Population. Pediatric And Developmental Pathology 2023, 26: 394-403. PMID: 37334553, DOI: 10.1177/10935266231175426.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAdenoma, Liver CellAdolescentBeta CateninCarcinoma, HepatocellularChildGenotypeHedgehog ProteinsHumansLiver NeoplasmsMalePhenotypeConceptsHepatocellular adenomaPediatric populationInflammatory HCASonic hedgehog hepatocellular adenomasYoung type 3Maturity-onset diabetesInflammatory hepatocellular adenomaΒ-catenin-activated hepatocellular adenomaAbernethy malformationPhenotype-genotype correlationClinical historyHCA subtypesH-HCACase 2Case 1Type 3Pathological informationB-HCASubtypesFamily surveillanceLimited studiesMalesClinicopathologic characterization of hepatocellular adenomas in men: a multicenter experience
González I, Torbenson M, Sharifai N, Byrnes K, Chatterjee D, Kakar S, Yeh M, Wu T, Zhang X, Jain D. Clinicopathologic characterization of hepatocellular adenomas in men: a multicenter experience. Human Pathology 2023, 138: 24-33. PMID: 37245629, DOI: 10.1016/j.humpath.2023.05.010.Peer-Reviewed Original ResearchConceptsHepatocellular adenomaHepatocellular carcinomaMalignant transformationMulticenter experienceMean ageWorld Health Organization classificationConcomitant hepatocellular carcinomaAndrogen receptor expressionBenign liver neoplasmUnclassified hepatocellular adenomaUncertain malignant potentialInflammatory hepatocellular adenomaΒ-catenin-activated hepatocellular adenomaClinicopathologic characterizationEntire cohortHCA casesCommon subtypeMalignant potentialOrganization classificationReproductive ageAllred score systemResection casesReceptor expressionHepatocellular neoplasmsLiver neoplasms
2022
Hepatic Adenomas in Patients 60 and Older Are Enriched for HNF1A Inactivation and Malignant Transformation
Yasir S, Chen ZE, Jain D, Kakar S, Wu TT, Yeh MM, Torbenson MS. Hepatic Adenomas in Patients 60 and Older Are Enriched for HNF1A Inactivation and Malignant Transformation. The American Journal Of Surgical Pathology 2022, 46: 786-792. PMID: 35383587, PMCID: PMC9469468, DOI: 10.1097/pas.0000000000001892.Peer-Reviewed Original ResearchConceptsPersons 60 yearsAtypical histologic featuresHepatic adenomaMalignant transformationControl groupOlder aged personInflammatory adenomasUnclassified adenomasHistologic featuresGroups of adenomasAged personsEarly malignant transformationYears of agePersons age 60Patients 60Persons 60Lipofuscin depositionMyxoid changeAge 60AdenomasBeta-catenin activationBeta-catenin pathwayAgeWomenMore years
2021
Pediatric Hepatocellular Adenomas
Pacheco MC, Torbenson MS, Wu TT, Kakar S, Jain D, Yeh MM. Pediatric Hepatocellular Adenomas. The American Journal Of Surgical Pathology 2021, 45: 1641-1647. PMID: 34148984, PMCID: PMC8608351, DOI: 10.1097/pas.0000000000001763.Peer-Reviewed Original ResearchConceptsHepatocellular adenomaPrepubescent groupPediatric patientsNonsyndromic groupΒ-cateninAdenoma subtypesImmunohistochemical staining profileHepatocellular adenoma subtypesPostpubescent groupClinical characteristicsUnclassified subtypeClinical historySyndromic groupsImmunohistochemical stainingPatientsType adenomasAdenomasSyndromeAge groupsLarger studyStaining profileSubtypesGreater percentageGroupLanguage search
2020
Hepatocellular neoplasms arising in genetic metabolic disorders: steatosis is common in both the tumor and background liver
Cheng L, Jain D, Kakar S, Torbenson MS, Wu TT, Yeh MM. Hepatocellular neoplasms arising in genetic metabolic disorders: steatosis is common in both the tumor and background liver. Human Pathology 2020, 108: 93-99. PMID: 33245984, DOI: 10.1016/j.humpath.2020.11.012.Peer-Reviewed Original ResearchConceptsGenetic metabolic disordersMetabolic disordersHepatocellular neoplasmsBackground liverType 1Ornithine carbamyl transferase deficiencyRare genetic metabolic disorderRare case reportBackground liver parenchymaGlycogen storage disease type 1Hereditary tyrosinemia type 1Disease type 1Tyrosinemia type 1Younger patientsRetrospective studyCase reportCommon findingLiver parenchymaSteatosisTransferase deficiencyPathological characterizationNeoplasmsTumorsDisordersPatients
2015
Immunohistochemical pitfalls in the diagnosis of hepatocellular adenomas and focal nodular hyperplasia: accurate understanding of diverse staining patterns is essential for diagnosis and risk assessment
Kakar S, Torbenson M, Jain D, Wu TT, Yeh M, Ferrell LD. Immunohistochemical pitfalls in the diagnosis of hepatocellular adenomas and focal nodular hyperplasia: accurate understanding of diverse staining patterns is essential for diagnosis and risk assessment. Modern Pathology 2015, 28: 159-160. PMID: 25560413, DOI: 10.1038/modpathol.2014.121.Peer-Reviewed Original Research
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
2009
Chromosomal abnormalities determined by comparative genomic hybridization are helpful in the diagnosis of atypical hepatocellular neoplasms
Kakar S, Chen X, Ho C, Burgart LJ, Adeyi O, Jain D, Sahai V, Ferrell LD. Chromosomal abnormalities determined by comparative genomic hybridization are helpful in the diagnosis of atypical hepatocellular neoplasms. Histopathology 2009, 55: 197-205. PMID: 19694827, PMCID: PMC3727398, DOI: 10.1111/j.1365-2559.2009.03343.x.Peer-Reviewed Original ResearchDiagnostic use of cytokeratins, CD34, and neuronal cell adhesion molecule staining in focal nodular hyperplasia and hepatic adenoma
Ahmad I, Iyer A, Marginean CE, Yeh MM, Ferrell L, Qin L, Bifulco CB, Jain D. Diagnostic use of cytokeratins, CD34, and neuronal cell adhesion molecule staining in focal nodular hyperplasia and hepatic adenoma. Human Pathology 2009, 40: 726-734. PMID: 19157505, DOI: 10.1016/j.humpath.2008.10.018.Peer-Reviewed Original ResearchConceptsTelangiectatic focal nodular hyperplasiaFocal nodular hyperplasia casesFocal nodular hyperplasiaNeuronal cell adhesion moleculeHepatic adenomaNodular hyperplasiaCytokeratin 7Cytokeratin 19Hyperplasia casesNeedle biopsyCell adhesion moleculeBile ductAdhesion moleculesCD34 stainCytokeratin 7 stainingCorresponding resection specimensDiagnostic useParaffin-embedded sectionsDistinct staining patternsProspective studyResected specimensHistologic featuresResection specimenResection specimensCorresponding resections
2008
Different cytokeratin and neuronal cell adhesion molecule staining patterns in focal nodular hyperplasia and hepatic adenoma and their significance
Iyer A, Robert ME, Bifulco CB, Salem RR, Jain D. Different cytokeratin and neuronal cell adhesion molecule staining patterns in focal nodular hyperplasia and hepatic adenoma and their significance. Human Pathology 2008, 39: 1370-1377. PMID: 18602664, PMCID: PMC3738023, DOI: 10.1016/j.humpath.2008.01.015.Peer-Reviewed Original ResearchMeSH KeywordsAdenoma, Liver CellAntigens, CD34Cell Adhesion Molecules, NeuronalFocal Nodular HyperplasiaHumansKeratin-19Keratin-7LiverLiver NeoplasmsConceptsFocal nodular hyperplasiaNeuronal cell adhesion moleculeHepatic adenomaNodular hyperplasiaCell adhesion moleculeCytokeratin 7Cytokeratin 19Biliary epitheliumProgenitor/stem cellsAdhesion moleculesTelangiectatic focal nodular hyperplasiaCytokeratin 7 stainsStem cellsRare positivityAbnormal perfusionBile ductHepatocellular carcinomaStrong positivityHepatic endotheliumImmunohistochemical analysisModerate stainingFibrous septaDifferent cytokeratinsHyperplasiaAdenomas