Comprehensive analysis of RET/PTC and NTRK1 rearrangements was carried out by multiplex screening RT-PCR, hybrid-specific RT-PCR and sequencing of detected hybrids.     ///    "Eight PTCs expressed two different mutations (1 RET/PTC?+?BRAF, 6 NTRK1?+?BRAF, 1 RET/PTC?+?NTRK1). "