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
Clinicopathologic 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
2021
Calcifying 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 fibrosis
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