Changes

==Planning==

[[Thyroid ultrasonography]] is the modality of choice for thyroid evaluation.<ref name=Saeedan2016>Originally copied from: {{cite journal|last1=Bin Saeedan|first1=Mnahi|last2=Aljohani|first2=Ibtisam Musallam|last3=Khushaim|first3=Ayman Omar|last4=Bukhari|first4=Salwa Qasim|last5=Elnaas|first5=Salahudin Tayeb|title=Thyroid computed tomography imaging: pictorial review of variable pathologies|journal=Insights into Imaging|volume=7|issue=4|year=2016|pages=601–617|issn=1869-4101|doi=10.1007/s13244-016-0506-5}} [http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International License]</ref> Yet, focal and diffuse thyroid abnormalities are commonly encountered during the interpretation of computed tomography (CT) exams performed for various clinical purposes.<ref name=Saeedan2016/> For example, CT often detects incidental thyroid nodules (ITNs). It plays an important role in the evaluation of thyroid cancer.<ref name=Saeedan2016/>