On April 17, 2013, Kathy Fay Mahdoubi, Molecular Imaging reported on an article from Radiology comparing FDG and FLT for imaging thyroid metastases.  ” A comparison between glucose mimicking F-18 FDG and F-18 FLT, which tracks cell proliferation, pegged F-18 FDG PET/CT as a better imaging technique for the diagnosis of differentiated thyroid metastases, according to a study published in the April issue of Radiology.”