For a nuclear medicine thyroid scan, the scan measures the rate at which the thyroid absorbs iodine. The radioactive iodine update test (RAIU) is also known as a thyroid uptake. The role of this procedure is to evaluate thyroid nodules, hyperthyroidism, hypothyroidism and goiter. Thyroid scanning or scintigraphy is a procedure to image the thyroid gland. The test measures the amount of radioactive iodine (taken by mouth) that accumulates in the thyroid gland. The scans are most efficient when your body is in a hypothyroid state. Nuclear Medicine Thyroid Scan. 99m-Tc pertechenetate is the radiopharmaceutical administered intravenously and imaged on a … Thyrogen Stimulated Scans check your body for the return of thyroid cancer. If laboratory tests show an overactive thyroid, a radioactive iodine uptake test may be ordered at the same time to evaluate thyroid function. What is a Thyrogen Stimulated Scan? A thyroid scan is a type of nuclear medicine imaging. Unlike other forms of medical imaging, such as MRI or PET scans, nuclear medicine scans have the advantage of showing metabolic function in real time. Health consumers information . Thyroid Scan is a nuclear medicine imaging which quantifies hyperthyroidism, hypothyroidism and structure abnormalities. The radioactive iodine uptake test (RAIU) is also known as a thyroid uptake. The thyroid scan and thyroid uptake provide information about the structure and function of the thyroid. Our team of specialized doctors, nurses and technologists is led by Louise Thomson, MD and Alessandro D'Agnolo, MD , co-chiefs of Nuclear … A nuclear medicine thyroid scan uses a radioactive medication (radiopharmaceutical) to take pictures or images of the thyroid gland. A thyroid scan is usually ordered when a physical examination or laboratory finding suggests that the thyroid is enlarged or has a lump (called a thyroid nodule). A nuclear medicine thyroid scan is necessary to diagnose the specific disorder. Hypothyroid state means your thyroid gland is underactive, and there is too little thyroid hormone in the blood. Read this handout to learn how to prepare for the test, how it works, how it is done, what you may feel during the test, and how to get your results. Your doctor has ordered a thyroid uptake and scan. A nuclear medicine thyroid uptake and scan is a 2-day test that studies the structure and function of the thyroid gland. Alternative Names: Iodine uptake test; RAIU. Thyroid scan (thyroid scintigraphy) is a nuclear medicine examination used to evaluate thyroid tissue. It is a measurement of thyroid function, but does not involve imaging. Tc-99m pertechnetate thyroid scan is a functional nuclear medicine study used to assess the thyroid gland.The uptake of the pertechnetate anion - similar in chemical-physical characteristics to the iodide ion - in the thyroid parenchyma is mediated by the NIS (Sodium-Iodide Symporter). Nuclear medicine imaging uses small amounts of radioactive material to diagnose, evaluate or treat a variety of diseases. Authors: Cr Chian Chang* Dr Dee Nandurkar * What is a thyroid scan? How the test is performed: RAIU is a type of nuclear test that measures how much radioactive iodine is taken up by the thyroid gland in a given time period. See also "thyroid scan." The radiopharmaceutical is injected into a vein, usually in the arm, and enters the thyroid gland from the circulating blood. Stimulated Nuclear Medicine Scan.
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