Valentina Angerilli, Lorenzo Fornaro, Francesco Pepe, Silvia Maria Rossi, Giuseppe Perrone, Umberto Malapelle, Matteo Fassan
{"title":"<i>FGFR2</i> testing in cholangiocarcinoma: translating molecular studies into clinical practice.","authors":"Valentina Angerilli, Lorenzo Fornaro, Francesco Pepe, Silvia Maria Rossi, Giuseppe Perrone, Umberto Malapelle, Matteo Fassan","doi":"10.32074/1591-951X-859","DOIUrl":null,"url":null,"abstract":"<p><p>Cholangiocarcinoma (CCA) is a heterogeneous group of neoplasms burdened by a dismal prognosis. Several studies have investigated the genomic profile of CCA and identified numerous druggable genetic alterations, including <i>FGFR2</i> fusions/rearrangements. Approximately 5-7% of CCAs and 10-20% of intrahepatic iCCAs harbor <i>FGFR2</i> fusions. With the recent advent of FGFR-targeting therapies into clinical practice, a standardization of molecular testing for <i>FGFR2</i> alterations in CCA will be necessary. In this review, we describe the technical aspects and challenges related to <i>FGFR2</i> testing in routine practice, focusing on the comparison between Next-Generation Sequencing (NGS) and FISH assays, the best timing to perform the test, and on the role of liquid biopsy.</p>","PeriodicalId":45893,"journal":{"name":"PATHOLOGICA","volume":"115 2","pages":"71-82"},"PeriodicalIF":4.4000,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3d/0a/pathol-2023-02-71.PMC10462997.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PATHOLOGICA","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32074/1591-951X-859","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PATHOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Cholangiocarcinoma (CCA) is a heterogeneous group of neoplasms burdened by a dismal prognosis. Several studies have investigated the genomic profile of CCA and identified numerous druggable genetic alterations, including FGFR2 fusions/rearrangements. Approximately 5-7% of CCAs and 10-20% of intrahepatic iCCAs harbor FGFR2 fusions. With the recent advent of FGFR-targeting therapies into clinical practice, a standardization of molecular testing for FGFR2 alterations in CCA will be necessary. In this review, we describe the technical aspects and challenges related to FGFR2 testing in routine practice, focusing on the comparison between Next-Generation Sequencing (NGS) and FISH assays, the best timing to perform the test, and on the role of liquid biopsy.
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