BRAF and undifferentiated carcinoma: The BRAF V600E mutation was found in 142 (83 %) of 172 PTCs without distant metastasis, 15 (56 %) of 27 PTCs with distant metastasis, 1 (14 %) of 7 poorly differentiated carcinomas and 4 (80 %) of 5 anaplastic carcinomas (Table 1).