THYROID SONOGRAPHY, COMPUTED TOMOGRAPHY, AND MAGNETIC RESONANCE IMAGING Manfred Blum Thyroid goiters and nodules are common disorders, whereas thyroid malignancies are relatively rare. The main purpose of sonography (ultrasonography), computed…
PHARMACOLOGIC MANIPULATIONS Part of “CHAPTER 34 – THYROID UPTAKE AND IMAGING“ Tests that use the thyroid scan or uptake, in conjunction with pharmacologic manipulation of the hypothalamic–pituitary–thyroid axis, may provide…
APPLICATIONS, TECHNIQUES, AND INTERPRETATION OF THYROID UPTAKE Part of “CHAPTER 34 – THYROID UPTAKE AND IMAGING“ APPLICATIONS OF UPTAKE MEASUREMENTS A thyroid scan primarily provides information as to the location,…
APPLICATIONS, TECHNIQUES, AND INTERPRETATION OF RADIONUCLIDE IMAGING Part of “CHAPTER 34 – THYROID UPTAKE AND IMAGING“ APPLICATIONS OF IMAGING Imaging is of value in distinguishing Graves disease from toxic nodular…
INSTRUMENTATION Part of “CHAPTER 34 – THYROID UPTAKE AND IMAGING“ SCINTILLATION SCANNER AND CAMERA The rectilinear scanner was the first nuclear imaging instrument devised.17 This highly focused detector views a…
RADIOPHARMACEUTICALS Part of “CHAPTER 34 – THYROID UPTAKE AND IMAGING“ IODINE-131 Iodine-131, produced in a nuclear reactor, is selectively localized by thyroid tissue and is metabolized in the same manner…
THYROID UPTAKE AND IMAGING Salil D. Sarkar David V. Becker Thyroid radionuclide uptake and imaging play an important part in the clinical management of thyroid disease when used in conjunction…
EVALUATION OF THE PATIENT Part of “CHAPTER 33 – THYROID FUNCTION TESTS“ The clinician has available a large number of tests for evaluating a patient’s thyroid status.57 In many instances,…
THYROTROPIN RECEPTOR ANTIBODIES Part of “CHAPTER 33 – THYROID FUNCTION TESTS“ Certain thyroid disorders have been associated with an immunologic abnormality. Early bioassays, such as the long-acting thyroid stimulator and…
THYROID HORMONE ANTIBODIES Part of “CHAPTER 33 – THYROID FUNCTION TESTS“ Occasional patients have autoantibodies to T4, T3, or both.27,31,32 Depending on the method used to separate bound from free…
