Ziad Alrisheq 1 , Shua'a Al Sadoon 1 , Rola Qusoos 2 , Ayman Qwarik 1 Case report of a 19 year old female with a papillary thyroid Ca treated with near total thyroidectomy followed by 191-I ablation dose of 3700 MBq with post therapy 131-I Whole Body Scan using high energy parallel hole collimator. On follow up in the 3rd year, Tg level was 21ng/ml performing thyrogen 72 hrs post 131-I Whole Body scan showed negative results.18 FDG PET/CT scan was performed 1 hr post IV 18 FDG of 370 MBq showed positive results. Click Here