Thyroid Nodules Source: Hoang JK, Langer JE, Middleton WD, et al. Managing incidental thyroid nodules detected on imaging: white paper of the ACR Incidental Thyroid Findings Committee. J Am Coll Radiol. 2015;12(2):143-150. doi:10.1016/j.jacr.2014.09.038 MRI/CT FDG-PET Seen on Ultrasound for Extra-Thyroidal Structure For ultrasound of the thyroid use TI-RADS