2024
Histologic Features of Mycobacterial Spindle Cell Pseudotumors
Szczepanski J, Lieberman J, Lamps L, Gonzalez R, Xue Y, Zhang X, Yilmaz O, Hart J, Krausz T, Mantilla J, McHugh J, Westerhoff M. Histologic Features of Mycobacterial Spindle Cell Pseudotumors. The American Journal Of Surgical Pathology 2024, 48: 890-900. PMID: 38726848, DOI: 10.1097/pas.0000000000002234.Peer-Reviewed Original ResearchConceptsMycobacterial spindle cell pseudotumorSpindle cell pseudotumorImmunocompromised patientsFoamy histiocytesLymph nodesNeutrophilic inflammationNeutrophilic microabscessesEvaluated lymph nodesComposition of inflammatory infiltratesSpindle cell neoplasmSecondary to infectionNon-tuberculous mycobacteriaArchitectural growth patternAcid-fast stainingMultinucleated giant cellsPeripheral granulomaSurgical therapyCell neoplasmsStromal changesHistological factorsSpindle cellsLymphocytic inflammationMicrobiological findingsClinical historyInflammatory infiltrate
2023
Colorectal Carcinoma With Sarcomatoid Components
Golconda U, McHugh K, Allende D, Collins K, Henn P, Lacambra M, Bejarano P, Groisman G, Loughrey M, Monappa V, Zhang X, Hornick J, Gonzalez R. Colorectal Carcinoma With Sarcomatoid Components. The American Journal Of Surgical Pathology 2023, 48: 465-474. PMID: 38155543, DOI: 10.1097/pas.0000000000002172.Peer-Reviewed Original ResearchConceptsSarcomatoid componentColorectal carcinomaUndifferentiated carcinomaTumor-infiltrating lymphocytesNodal metastasisAbdominal painDistant metastasisRare subtypeSMARCA4 lossTumor buddingHeterologous elementsRepair protein expressionRectosigmoid regionSpindle cellsGastrointestinal bleedingKeratin-positivePoor prognosisFollow-upCarcinomaMismatch repair protein expressionMolecular testingAdvanced stageTumorLoss of mismatch repair protein expressionProtein expressionLysophosphatidic acid triggers inflammation in the liver and white adipose tissue in rat models of 1-acyl-sn-glycerol-3-phosphate acyltransferase 2 deficiency and overnutrition
Sakuma I, Gaspar R, Luukkonen P, Kahn M, Zhang D, Zhang X, Murray S, Golla J, Vatner D, Samuel V, Petersen K, Shulman G. Lysophosphatidic acid triggers inflammation in the liver and white adipose tissue in rat models of 1-acyl-sn-glycerol-3-phosphate acyltransferase 2 deficiency and overnutrition. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2312666120. PMID: 38127985, PMCID: PMC10756285, DOI: 10.1073/pnas.2312666120.Peer-Reviewed Original ResearchClinicopathologic 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
Experimental VX2 Rabbit Liver Tumor Model in Carbon Tetrachloride–Induced Cirrhosis of the Liver
Santana J, Shewarega A, Nam D, Kahl V, Madoff D, Zhang X, Chapiro J. Experimental VX2 Rabbit Liver Tumor Model in Carbon Tetrachloride–Induced Cirrhosis of the Liver. Journal Of Vascular And Interventional Radiology 2022, 34: 404-408.e1. PMID: 36473611, PMCID: PMC11037556, DOI: 10.1016/j.jvir.2022.11.026.Peer-Reviewed Original ResearchConceptsLiver cirrhosisMale New Zealand white rabbitsRabbit liver tumor modelCirrhotic liver backgroundReproducible tumor growthVX2 liver cancerLeft hepatic lobeNew Zealand white rabbitsDuration of treatmentLiver tumor modelCross-sectional imagingVX2 rabbit liver tumor modelZealand white rabbitsHepatic lobeHistopathological evaluationMajor underlying factorHepatic tumorsIntragastric administrationHepatocellular carcinomaLiver tumorsLiver cancerCirrhosisUnmet needTumor growthVX2 tumors
2021
Pathogenic BRCA2 germline variants in combined hepatocellular‐cholangiocarcinoma
Li H, Zhang X, Finberg KE, Walther Z, Jain D, Gibson J. Pathogenic BRCA2 germline variants in combined hepatocellular‐cholangiocarcinoma. Pathology International 2021, 72: 138-140. PMID: 34808016, DOI: 10.1111/pin.13188.Peer-Reviewed Original ResearchCalcifying nested stromal–epithelial tumor: a clinicopathologic and molecular genetic study of eight cases highlighting metastatic potential and recurrent CTNNB1 and TERT promoter alterations
Papke Jr. D, Dong F, Zhang X, Kozielski R, Basturk O, Fletcher CDM, Zhao L. Calcifying nested stromal–epithelial tumor: a clinicopathologic and molecular genetic study of eight cases highlighting metastatic potential and recurrent CTNNB1 and TERT promoter alterations. Modern Pathology 2021, 34: 1696-1703. PMID: 33994539, DOI: 10.1038/s41379-021-00822-w.Peer-Reviewed Original ResearchConceptsStromal-epithelial tumorTERT promoter mutationsMetastatic diseaseCTNNB1 alterationsRare hepatic tumorRecurrent liver tumorsTERT promoter alterationsMedian tumor sizePromoter mutationsMolecular genetic featuresNuclear β-catenin expressionΒ-catenin expressionNeoadjuvant chemotherapyAbdominal metastasesLatter patientsLymphovascular invasionMedian ageLung metastasesTumor sizeHepatic tumorsNeuroendocrine markersEosinophilic cytoplasmLiver tumorsFibrous stromaTumor fibrosisCan primary hepatocellular carcinoma histomorphology predict extrahepatic metastasis?
Kumar D, Hafez O, Jain D, Zhang X. Can primary hepatocellular carcinoma histomorphology predict extrahepatic metastasis? Human Pathology 2021, 113: 39-46. PMID: 33905775, DOI: 10.1016/j.humpath.2021.04.008.Peer-Reviewed Original ResearchConceptsMetastatic hepatocellular carcinomaHepatocellular carcinomaHistologic patternHistomorphologic featuresPrimary tumorMetastatic tumorsMacrotrabecular-massive hepatocellular carcinomaCommon histologic patternPathogenesis of metastasisSignificant intratumoral heterogeneityExtrahepatic metastasesLymph nodesMicrovascular invasionAdrenal glandCommon subtypeNoncirrhotic liverCirrhotic liverCommon siteMetastatic tissuesLarge cohortAbdominal cavityHCC subtypesPathology archivesMetastasisHCC metastasisCheckpoint Inhibitor Colitis Shows Drug-Specific Differences in Immune Cell Reaction That Overlap With Inflammatory Bowel Disease and Predict Response to Colitis Therapy
Lo YC, Price C, Blenman K, Patil P, Zhang X, Robert ME. Checkpoint Inhibitor Colitis Shows Drug-Specific Differences in Immune Cell Reaction That Overlap With Inflammatory Bowel Disease and Predict Response to Colitis Therapy. American Journal Of Clinical Pathology 2021, 156: 214-228. PMID: 33555016, DOI: 10.1093/ajcp/aqaa217.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseaseCD8/FOXP3 ratioBiopsy specimensCPI patientsPD-1CD68 scoreFOXP3 ratioBowel diseasePD-L1Antibody-treated patientsCheckpoint inhibitor colitisPD-L1 groupInitial biopsy specimensPD-L1 expressionImmune cell reactionsColonic biopsy specimensDrug-specific differencesIBD groupCheckpoint inhibitorsChronicity scoreActivity scoreImmune phenotypeTherapeutic responseColitisShared pathophysiology
2020
Fibronodular hepatocellular carcinoma—a new variant of liver cancer: clinical, pathological and radiological correlation
Tefera J, Revzin M, Chapiro J, Savic L, Mulligan D, Batra R, Taddei T, Jain D, Zhang X. Fibronodular hepatocellular carcinoma—a new variant of liver cancer: clinical, pathological and radiological correlation. Journal Of Clinical Pathology 2020, 74: 31-35. PMID: 32430483, PMCID: PMC7674234, DOI: 10.1136/jclinpath-2020-206574.Peer-Reviewed Original ResearchConceptsAdvanced Barcelona Clinic Liver Cancer stageBarcelona Clinic Liver Cancer stageScirrhous HCCMultiple rounded nodulesNon-peripheral washoutLiver Cancer stageRadiological featuresClinical featuresRadiological correlationCarcinoma variantsCancer stageHCC casesHepatocellular carcinomaLiver cancerFibrotic liverConventional HCCHCCLower ratesHigh rateRounded nodulesProgressionDistinct patternsCarcinomaSpecific variantsLesionsMorphological spectrum of immune check‐point inhibitor therapy‐associated gastritis
Johncilla M, Grover S, Zhang X, Jain D, Srivastava A. Morphological spectrum of immune check‐point inhibitor therapy‐associated gastritis. Histopathology 2020, 76: 531-539. PMID: 31692018, DOI: 10.1111/his.14029.Peer-Reviewed Original ResearchConceptsImmune check-point inhibitor therapyCheck-point inhibitor therapyImmune-related adverse eventsImmune check point inhibitorsMorphological spectrumIntra-epithelial lymphocytosisCheck point inhibitorsChronic active gastritisInflammatory bowel diseaseMedical chart reviewCytotoxic T cellsDrug-induced gastritisPredominant histological patternDistribution of injuriesVariety of tumorsMechanism of actionSteroid therapyGastrointestinal injuryActive gastritisAdverse eventsChart reviewClinical suspicionMedication withdrawalBowel diseaseInhibitor therapy
2019
Adverse Histologic Features in Colorectal Nonpedunculated Malignant Polyps With Nodal Metastasis
Patel N, Vyas M, Celli R, Jain D, Zhang X. Adverse Histologic Features in Colorectal Nonpedunculated Malignant Polyps With Nodal Metastasis. The American Journal Of Surgical Pathology 2019, 44: 241-246. PMID: 31498179, DOI: 10.1097/pas.0000000000001369.Peer-Reviewed Original ResearchConceptsHigh-grade tumor buddingAdverse histologic featuresMalignant polypsNodal metastasisTumor buddingHistologic featuresLymphovascular invasionNode metastasisLymph node metastatic potentialMargin statusSubsequent resectionColectomy specimenColectomy proceduresDifferentiated clustersTumor differentiationOdds ratioRisk featuresMetastasisMetastatic potentialPiecemeal polypectomyPolypsRiskInvasionColectomyResectionMacrotrabecular Hepatocellular Carcinoma
Jeon Y, Benedict M, Taddei T, Jain D, Zhang X. Macrotrabecular Hepatocellular Carcinoma. The American Journal Of Surgical Pathology 2019, 43: 943-948. PMID: 31135484, DOI: 10.1097/pas.0000000000001289.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlpha-FetoproteinsCarcinoma, HepatocellularDisease ProgressionFemaleHepatectomyHepatitis BHepatitis CHumansLiver CirrhosisLiver NeoplasmsLiver TransplantationMaleMiddle AgedNeoplasm GradingNeoplasm Recurrence, LocalNeoplasm StagingProgression-Free SurvivalRetrospective StudiesRisk FactorsTime FactorsTumor BurdenConceptsHepatocellular carcinomaHCC subtypesHigh alpha-fetoprotein levelsWorse recurrence-free survivalDistinct HCC subtypeHepatitis C infectionRecurrence-free survivalAlpha-fetoprotein levelsAnaplastic tumor cellsHigh histologic gradePoor overall survivalConventional hepatocellular carcinomaHigh recurrence rateHigher AJCC stageDetailed pathologic evaluationMacrotrabecular patternC infectionPrimary resectionHepatitis BOverall survivalPathologic evaluationAJCC stageClinicopathologic featuresHistologic subtypeRecurrence rateClinical utility of genomic analysis in adults with idiopathic liver disease
Hakim A, Zhang X, DeLisle A, Oral EA, Dykas D, Drzewiecki K, Assis DN, Silveira M, Batisti J, Jain D, Bale A, Mistry PK, Vilarinho S. Clinical utility of genomic analysis in adults with idiopathic liver disease. Journal Of Hepatology 2019, 70: 1214-1221. PMID: 31000363, PMCID: PMC6526061, DOI: 10.1016/j.jhep.2019.01.036.Peer-Reviewed Original ResearchConceptsIdiopathic liver diseaseUnexplained liver diseaseManagement of adultsWhole-exome sequencingLiver diseaseAdult patientsUnknown etiologyHeterozygous variantsUse of WESAmelioration of dyslipidemiaDaily insulin requirementLeptin replacement therapyUtility of WESChronic liver diseaseNon-alcoholic steatohepatitisAcademic health care centerHealth care centersHomozygous pathogenic variantUnrelated adult patientsNon-oncological diseasesDisease preventive measuresInsulin requirementsLean patientsDevastating complicationLiver aminotransferases
2017
Post-obstructive cyst formation in pancreas and cystic acinar transformation: Are they same?
Zhang X, Zhu H, Yang X, Adsay VN, Jain D. Post-obstructive cyst formation in pancreas and cystic acinar transformation: Are they same? Pathology - Research And Practice 2017, 213: 997-1001. PMID: 28599853, DOI: 10.1016/j.prp.2017.03.013.Peer-Reviewed Original ResearchConceptsPancreatic ductal adenocarcinomaAcinar cell differentiationCystic dilatationCystic lesionsNon-neoplastic cystic lesionsCyst formationEtiology of obstructionCareful gross examinationBenign pancreatic cystic lesionsPancreatic ductal systemPancreatic neuroendocrine tumorsPancreatic cystic lesionsCell differentiationAcinar cell cystadenomaObstructive lesionsAcinar cell neoplasmsExact pathogenesisHistologic findingsSized cystsCystic dilationNeuroendocrine tumorsPancreatic ductDuctal adenocarcinomaCell neoplasmsMetaplastic phenomenon