Thyroid Testing: A Clinical Approach

Evaluation and Imaging of a Thyroid Nodule

“…Tests for elevated thyroglobulin are useful in monitoring for thyroid cancer recurrence. However, elevated thyroglobulin is much more commonly seen in benign inflammatory conditions [16]. Likewise triiodothyronine, thyroxine, and the antithyroid antibody tests are useful in establishing benign diagnoses, such as Hashimoto's and Grave's Disease.…”

“…The single most useful test essential for all thyroid nodule workups is a third-generation TSH test [2,16,17]. The TSH test uncovers existing hypothyroidism and hyperthyroidism.…”