The Risk of Relapse in Papillary Thyroid Cancer (PTC) in the Context of BRAFV600E Mutation Status and Other Prognostic Factors

Agnieszka Czarniecka, Monika Kowal, Dagmara Rusinek, Jolanta Krajewska, Michal Jarzab, Ewa Stobiecka, Ewa Chmielik, Ewa Zembala-Nozynska, Stanislaw Poltorak, Aleksander Sacher, Adam Maciejewski, Jadwiga Zebracka-Gala, Dariusz Lange, Malgorzata Oczko-Wojciechowska, Daria Handkiewicz-Junak and Barbara Jarzab

PLOS ONE, 2015, vol. 10, issue 7, 1-14

Abstract: Introduction: The risk of over-treatment in low-advanced PTC stages has prompted clinicians to search for new reliable prognostic factors. The presence of BRAF mutation, the most frequent molecular event in PTC, seems to be a good candidate. However, there is still lack of randomised trials and its significance has been proved by retrospective analyses, involving a large group of patients. The question arises whether this factor is useful in smaller populations, characterised for specialised centres. Thus, the aim of the study was to evaluate the use of BRAF mutation as a potential predictive marker in PTC patients. Material: 233 PTC subjects treated between 2004-2006, were retrospectively analysed. Stage pT1 was diagnosed in 64.8% patients and lymph node metastases in 30.9%. Median follow-up was 7.5 years. BRAFV600E mutation was assessed postoperatively in all cases. Results: BRAF V600E mutation was found in 54.5%. It was more frequent in patients > 45 years (p=0.0001), and associated with larger tumour size (p=0.004). Patients with tumours

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0132821

DOI: 10.1371/journal.pone.0132821

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