Thyroglobulin (Tg)

Analyte [material]

Thyroglobulin (Tg) [S/P]

Reference range, target level, or decision threshold

1-30 microg/L after total thyroidectomy for well-differentiated thyroid cancer! CPG

<0.2 microg/L during thyroxine therapy! CPG

<1 microg/L after thyroid-stimulating hormone use! CPG

Interpretation of results

↑ Nonmalignant thyroid diseases, well-differentiated thyroid cancer (follicular or papillary); marker of recurrent well-differentiated thyroid cancer; measurement of Tg with anti-Tg antibodies is helpful in thyroid cancer

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