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 expression
2022
Pleomorphic Carcinoma Versus Sarcomatoid Malignant Mesothelioma
Baine M, Cai G, Zhang X. Pleomorphic Carcinoma Versus Sarcomatoid Malignant Mesothelioma. Practical Anatomic Pathology 2022, 137-145. DOI: 10.1007/978-3-031-14402-8_23.Peer-Reviewed Original ResearchSarcomatoid malignant mesotheliomaPleomorphic carcinomaMalignant mesotheliomaGiant cell carcinomaCell lung carcinomaSmall biopsy specimensPleural involvementPeripheral tumorsClinicopathologic featuresUpper lobeSarcomatoid morphologyCell carcinomaBiopsy specimensLung carcinomaLung parenchymaMalignant tumorsSpindle cellsAnatomic localizationChest wallCarcinomaGiant cellsMesotheliomaLungTumorsCells