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
2022
Prominent Pseudoacini in Focal Nodular Hyperplasia
Wang D, González IA, Russo PA, Jain D, Zhang X. Prominent Pseudoacini in Focal Nodular Hyperplasia. The American Journal Of Surgical Pathology 2022, 46: 1380-1385. PMID: 35749760, DOI: 10.1097/pas.0000000000001931.Peer-Reviewed Original ResearchConceptsFocal nodular hyperplasiaHepatocellular carcinomaNodular hyperplasiaFNH casesPotential diagnostic pitfallInspissated bileChronic cholestasisInitial biopsyPathologic featuresClinicopathologic correlationDiagnostic challengeNeedle biopsyDifferential diagnosisHepatocellular neoplasmsHepatocellular adenomaDiagnostic pitfallsMorphologic featuresLobular parenchymaStaining patternPseudoaciniBiliary transdifferentiationBiopsyHyperplasiaLesionsHepatocytes
2021
α-Fetoprotein mRNA in situ hybridisation is a highly specific marker of hepatocellular carcinoma: a multi-centre study
Lu SX, Huang YH, Liu LL, Zhang CZ, Yang X, Yang YZ, Shao CK, Li JM, Xie D, Zhang X, Jain D, Yun JP. α-Fetoprotein mRNA in situ hybridisation is a highly specific marker of hepatocellular carcinoma: a multi-centre study. British Journal Of Cancer 2021, 124: 1988-1996. PMID: 33824478, PMCID: PMC8184895, DOI: 10.1038/s41416-021-01363-4.Peer-Reviewed Original ResearchConceptsHepatocellular carcinomaHepatocytic lesionsDiagnosis of HCCLiver biopsy cohortHepatocyte paraffin 1Independent retrospective cohortsBenign liver lesionsMulti-center studyGood diagnostic valueNovel diagnostic biomarkersArginase-1 (Arg-1) proteinsΑ-fetoprotein mRNASurgical cohortRetrospective cohortBiopsy cohortHepPar-1Arg-1Liver lesionsDiagnostic biomarkersDiagnostic valueMalignancy lesionsLesionsGlypican3CohortSpecific markers
2020
Pathologic Manifestations of Gastrointestinal and Hepatobiliary Injury in Immune Checkpoint Inhibitor Therapy
Patil PA, Zhang X. Pathologic Manifestations of Gastrointestinal and Hepatobiliary Injury in Immune Checkpoint Inhibitor Therapy. Archives Of Pathology & Laboratory Medicine 2020, 145: 571-582. PMID: 32338534, DOI: 10.5858/arpa.2020-0070-ra.Peer-Reviewed Original ResearchMeSH KeywordsDiagnosis, DifferentialDigestive SystemDigestive System DiseasesHumansImmune Checkpoint InhibitorsInflammationConceptsHepatobiliary injuryCheckpoint inhibitorsCPI therapyActive colitisPathologic manifestationsCytotoxic T-lymphocyte-associated protein 4 inhibitorsT-lymphocyte-associated protein 4 inhibitorsImmune checkpoint inhibitor therapyDeath ligand 1 (PD-L1) inhibitorsAdverse effectsChronic active colitisAdministration of steroidsCheckpoint inhibitor therapyDeath receptor-1Immune checkpoint inhibitorsBile duct injuryChronic active gastritisLigand 1 inhibitorsNodular regenerative hyperplasiaSecondary sclerosing cholangitisDifferential diagnostic considerationsProtein 4 inhibitorsSeverity of injuryIschemic colitisPanlobular hepatitis
2018
Morphologic and Immunohistochemical Characteristics of Anorectal Melanoma
Charifa A, Zhang X. Morphologic and Immunohistochemical Characteristics of Anorectal Melanoma. International Journal Of Surgical Pathology 2018, 26: 725-729. PMID: 29759015, DOI: 10.1177/1066896918773177.Peer-Reviewed Original ResearchMeSH KeywordsAnus NeoplasmsBiomarkers, TumorDiagnosis, DifferentialHumansImmunohistochemistryMelanomaRare DiseasesRectal NeoplasmsRetrospective StudiesSOXE Transcription FactorsConceptsAnorectal melanoma
2016
Intestinal metaplasia of appendiceal endometriosis is not uncommon and may mimic appendiceal mucinous neoplasm
Vyas M, Wong S, Zhang X. Intestinal metaplasia of appendiceal endometriosis is not uncommon and may mimic appendiceal mucinous neoplasm. Pathology - Research And Practice 2016, 213: 39-44. PMID: 27913053, DOI: 10.1016/j.prp.2016.10.011.Peer-Reviewed Original ResearchConceptsAppendiceal mucinous neoplasmIntestinal metaplasiaMucinous neoplasmsAppendiceal endometriosisLow-grade appendiceal mucinous neoplasmCause of appendicitisRetention mucocelesLuminal obliterationPathology databaseClinical historyIncidental findingEndometriosisRetrospective searchMetaplasiaEndometriosis casesNeoplasmsYoung womenUncommon phenomenonMass formationAppendicitisIntussusceptionMucoceleMucosaCasesMisdiagnosis