thyroid scanning

thyroid scanning

a radionuclear scan that determines the size, shape, position, and physiological function of the thyroid gland. It is useful in patients with neck or substernal masses, thyroid nodules, hyperthyroidism, metastatic tumors without a known primary site, and well-differentiated forms of thyroid cancer. The scan may focus either on the neck area only, or on the whole body (done in patients previously treated for thyroid cancer).

thyroid scanning

A method of assessing the rate of uptake of iodine by, and the pattern of distribution in, the thyroid gland using a compound containing radioactive iodine and a GAMMA CAMERA.
References in periodicals archive ?
If the gland is asymmetric or hard, further evaluation with thyroid scanning and tissue sampling is needed.
In May, the FDA's Endocrinologic and Metabolic Drugs advisory committee voted to recommend approval of Thyrogen for use in conducting thyroid scanning and thyroglobulin testing in a broad group of patients who, in the judgment of treating physicians, could undergo a somewhat less sensitive radioiodine scan in order to benefit from the avoidance of hypothyroidism.
Andros G, Harper PV, Lathrop KA, et al: Pertechnetate-99m localization in man with applications to thyroid scanning and the study of thyroid physiology.
Recognizing that diagnostic testing with Thyrogen is not as sensitive as testing after patients have been withdrawn from their thyroid hormone supplements, the FDA's Endocrinologic and Metabolic Drugs Advisory Committee voted 8-3 to recommend approval of Thyrogen for use in conducting thyroid scanning and thyroglobulin testing in a broad group of patients who, in the judgment of treating physicians, would benefit from the avoidance of hypothyroidism.

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