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. Author manuscript; available in PMC: 2017 Jan 18.
Published in final edited form as: Otolaryngol Clin North Am. 2014 Jun 12;47(4):557–571. doi: 10.1016/j.otc.2014.04.003

Table 2.

A review of all thyroid FNA studies using the BRAF mutation before 2009. The results of prospective, retrospective, and FNA studies on surgically removed thyroid specimens are shown. BRAF positivity shows an almost universal correlation with a final pathologic result of PTC

Thyroid FNA Studies Number of Samples BRAF Positive Final Diagnosis in BRAF-
positive Samples
Prospective studies 1814 159 PTC, 159 (100%)
Retrospective studies 685 291 PTC, 291 (100%)
FNA on thyroid specimens 267 131 PTC, 130 (99.2%)
Hyperplasia, 1 (0.8%)
Total 2766 581 PTC, 580 (99.8%)