miR-146b expression was higher in PTCs than in other cancers (mean fold change values ± SD: 27.14 ± 43.6 vs. 1.98 ± 3.1, p = 0.0135, respectively), and, among PTCs, it was significantly higher in BRAF-positive than in BRAF-negative cases (38.5 ± 49.2 vs. 3.2 ± 4.4, p = 0.0190). Here, BRAF is linked to cancer.