Thyroid‐like follicular renal cell carcinoma with sarcomatoid differentiation and an aggressive clinical course: a case report confirming the presence of the <i>EWSR1::PATZ1</i> fusion gene
Raul Perret, Félix Lefort, Jean‐Christophe Bernhard, Jessica Baud, François Le Loarer, Mokrane Yacoub
Abstract
Thyroid-like follicular renal cell carcinoma (TFRCC) is rare, with <50 cases reported in the litterature. Recently, Al-Obaidy et al. described recurrent EWSR1::PATZ1 fusions in TFRCC, supporting its classification as an independent entity1. We report herein a diagnostically challenging case of TFRCC with sarcomatoid differentiation, aggressive clinical course and presence of an EWSR1::PATZ1 fusion.
Topics & Concepts
Fusion geneFollicular phaseThyroidBiologyPathologyFollicular carcinomaThyroid carcinomaRenal cell carcinomaGeneCancer researchMedicineEndocrinologyPapillary carcinomaGeneticsRenal cell carcinoma treatmentRenal and related cancersGenetic factors in colorectal cancer