Reflex Thyroglobulin Wash Testing in the Surveillance of Patients with Thyroid Carcinoma

Fine-needle aspiration cytology (FNAC) with simultaneous thyroglobulin wash (TG-W) testing is a standard modality for follow-up of patients after thyroidectomy for thyroid carcinoma (TC). It is used for both lymph nodes and thyroid bed nodules. Although previous studies showed TG-W to increase sensitivity of detecting TC, the utility of the test in a …