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- Title
Association of BRAF V600E Mutation with the Aggressive Behavior of Papillary Thyroid Microcarcinoma: A Meta-Analysis of 33 Studies.
- Authors
Attia, Abdallah S.; Hussein, Mohammad; Issa, Peter P.; Elnahla, Ahmad; Farhoud, Ashraf; Magazine, Brandon M.; Youssef, Mohanad R.; Aboueisha, Mohamed; Shama, Mohamed; Toraih, Eman; Kandil, Emad
- Abstract
An association between the BRAFV600E mutation and the clinicopathological progression of papillary thyroid microcarcinoma (PTMC) has been suggested. We aimed to summarize the relevant literature and determine the predictive value of BRAFV600E mutation in predicting clinical outcomes and risk stratification in patients with PTMC. A systematic search using PubMed, Cochrane, and Embase up to February 2020 was performed. A total of 33 studies met the inclusion criteria, resulting in a pool of 8838 patients, of whom 5043 (57.1%) patients were positive for BRAFV600E mutation. Tumors with positive BRAFV600E mutation had a higher tendency for multifocality (RR = 1.09, 95%CI = 1.03–1.16), extrathyroidal extension (RR = 1.79, 95%CI = 1.37–2.32), and lymph node metastasis (RR = 1.43, 95%CI = 1.19–1.71). Patients with BRAFV600E mutation were at increased risk of disease recurrence (RR = 1.90, 95%CI = 1.43–2.53). PTMC in patients positive for the BRAFV600E mutation is more aggressive than wild-type BRAF PTMC. Since BRAF-mutated PTMC is generally more resistant to radioiodine treatment, patients with BRAFV600E-mutated PTMC may require earlier management, such as a minimally invasive ablative intervention. Conservative management by active surveillance may be suitable for patients with wild-type BRAFV600E PTMC.
- Subjects
PAPILLARY carcinoma; BRAF genes; LYMPHATIC metastasis; THYROID gland; WATCHFUL waiting
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 24, p15626
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms232415626