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KMID : 1137020180290040043
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Journal of Gynecologic Oncology
2018 Volume.29 No. 4 p.43 ~ p.43
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Prevalence of germline BRCA mutations among women with carcinoma of the peritoneum or fallopian tube
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Choi Min-Chul
Bae Jin-Sik
Jung Sang-Geun
Park Hyun
Joo Won-Duk
Song Seung-Hun
Lee Chan
Lee Ki-Chan
Lee Sung-Hoon
Lee Je-Ho
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Abstract
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Objective: The aim of the present study was to assess the frequency of germline mutations in patients with peritoneal carcinoma (PC) or the fallopian tube carcinoma (FTC), using a multi-gene panel.
Methods: Twenty-six patients diagnosed with either PC or FTC between January 2013 and December 2016 were recruited consecutively. Germline DNA was sequenced using a 6-gene next generation sequencing (NGS) panel following genetic counseling. Surgico-medical information was obtained from hospital records. Genetic variations were detected using the panel and were cross-validated by Sanger direct sequencing.
Results: Germline BRCA1/2 mutations were identified in 6 patients (23.1%). Four were detected in patients with PC and 2 were in FTC patients. No mutations were detected in TP53, PTEN, CDH1, or PALB2. We identified 11 variant of uncertain significance (VUS) in 9 patients; 2 in BRCA1, 3 in BRCA2, 2 in TP53, and 4 in CDH1. We also detected a CDH1 c.2164+16->A VUS in 3 patients.
Conclusion: The prevalence of germline BRCA1/2 mutations in patients with PC or FTC is comparable to that of BRCA1/2 mutations in epithelial ovarian cancer patients.
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KEYWORD
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BRCA1 Gene, BRCA2 Gene, Mutation, Fallopian Tube Cancer, Peritoneal Neoplasms, Prevalence
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