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