Hi Tom, your diagnosis was very similar to my brother's and he was roughly your age as well. From anything I've read on the blog it is very possible the scan is showing up infammation. Good luck with it all.

Brother 49yo DX 22/6/11 Tonsil SCC HPV+ Stage IV T4N1(?)M0. Carbo/docetaxel (Taxotere)19/7, 11/8 (with E-tux), 1/9; E-tux 11/8, 25/8, 15/9, 30/9, 14/10, 28/10; IMRT X 35 (70gy tumour;63gy nodes;56gy gen area) 19/9-4/11/11. Clear PET scan 1/2/12. 1 and 2 year post treatment checks good.