Quick Takes in Lab Medicine: Laboratory Testing for Thyroid Conditions

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During this three-part webinar series, presenters provided reviews of the following topics:

Part 1 - Subclinical Hypothyroidism

Learning Objectives

  • Define subclinical hypothyroidism, and report its prevalence

  • Discuss the advantages and disadvantages of lowering the upper limit of the reference interval for TSH

  • Describe the clinical consequences of subclinical hypothyroidism and identify its natural history

  • Analyze the effects of subclinical hypothyroidism on lipids, vascular health, cardiac structure and function, the development of heart disease and mortality

  • Make recommendations for the management of subclinical hypothyroidism

Part 2 - Thyroglobulin as a Tumor Marker

Learning Objectives:

  • Describe the biology of thyroglobulin (Tg)

  • Discuss the use of Tg as a tumor marker of differentiated thyroid cancer

  • List interferences in Tg immunoassays (e.g., thyroglobulin autoantibodies)

  • Interpret Tg measurements in the setting of the post-thyroidectomy patient

Part 3 - Thyroid Disease in Pregnancy

Learning Objectives:

  • Identify normal thyroid changes with gestational age

  • Define the role of laboratory testing for thyroid disease in pregnancy

During each session, presenters also answered audience questions, and these are included in this on-demand version of the program. (This is a recorded version of an AACC live webinar series that was held September 29 through October 22, 2015).