Editing Hashimoto's thyroiditis (section)

==== Ultrasound ====
[[File:Hashimoto Thyroiditis.jpg|thumb|Ultrasound imaging of the thyroid showing Hashimoto's thyroiditis]]
An [[ultrasound]] may be useful in detecting Hashimoto thyroiditis, especially in those with seronegative thyroiditis,<ref name="Klubo-Gwiezdzinska-2022" /> or when patients have normal laboratory values but symptoms of autoimmune thyroiditis.<ref name="Niddk2021" />  Key features detected in the ultrasound of a person with Hashimoto's thyroiditis include "[[echogenicity]], [[Homogeneity and heterogeneity|heterogeneity]], [[hypervascularity]], and presence of small [[Thyroid nodule|cysts]]."<ref name="Klubo-Gwiezdzinska-2022" /> Images obtained with ultrasound can evaluate the size of the thyroid, reveal the presence of nodules, or provide clues to the diagnosis of other thyroid conditions.<ref name="Niddk2021" />