This appears also to be case for PAX8/PPARγ rearrangements, that were originally discovered in FTC and, later on, in follicular adenomas and follicular variant of PTC [60-63]; PAX8/PPARγ rearrangements are absent from all PDTC and UTC so far analysed [9, 22]. This evidence concerns the gene PAX8 and thyroid cancer, nonmedullary, 2.