In routine clinical practice, radiologists are very likely to encounter incidental thyroid
abnormalities during interpretation of imaging studies of the neck, chest, or spine.
Occasionally, a diffuse thyroid abnormality, such as goiter, may be incidentally encountered
(Fig. 1), particularly in areas with iodine deficiency, but this article will primarily discuss
recent literature relevant to the thyroid incidentaloma or incidental thyroid nodule (ITN), a
term that refers to an asymptomatic thyroid nodule identified on imaging studies not …