There are many different tests that may be done to diagnose a thyroid disorder. Tests include blood samples, ultrasound, a thyroid scan and a biopsy. These tests provide information about the production of thyroid hormone by the thyroid gland, whether there is an enlargement, any nodules or cysts, and indicate how well the thyroid gland is working.
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- Diagnostic Nuclear Medicine History of nuclear medicine, FAQ and cases including goiter and thyroid scan. English/Greek languages.
- EndocrineWeb - Common Tests to Examine Thyroid Gland Function Discusses T4, T3, TBG, TSH, TRH, RAI uptake, scans, needle biopsy, and ultrasounds.
- BMJ - Thyroid Function Tests Letters that discuss the reassessment of thyroid function tests. [Registration required]
- Radiology Info - Thyroid Scan and Uptake Find questions and answers about this procedure. Available in English and Spanish.
- BMJ - Thyroid Function Tests and Hypothyroidism Discusses the debate over diagnosis and treatment of thyroid failure and suggests measurement of serum TSH alone may not always reflect its status. [Registration required]
- MedicineNet - Ultrasound Provides an overview on what an ultrasound is, its purpose and preparation for the test, and how the results are transmitted to physician and patient.