TG and thyroid gland carcinoma: The concept of employing Thyroglobulin (TG) Hormone Dosage (HD) in FNA needle washout fluid for detecting Well-Differentiated Thyroid Carcinomas (WDTC) metastasis was introduced by Pacini and colleagues in 1992.1, 2, 3 As the years progressed, HD has been refined to incorporate CT for detecting primary or metastatic medullary carcinoma4, 5, 6, 7, 8, 9, 10 and PTH to differentiate thyroid and parathyroid lesions.6