Abstract
Iodine deficiency and iodine-deficiency disorders continue to be problems in several parts of Europe, requiring further improvements in the techniques employed in thyroid diagnosis, and particularly in the early diagnosis and risk assessment of autonomously functioning thyroid tissue. For the latter purpose, scintigraphy with technetium-99m pertechnetate under exogenous or endogenous thyroid-stimulating hormone (TSH) suppression provides the best results. Significant methodological improvements in laboratory tests have resulted from the application of new luminescent techniques and gene technology to thyroid function tests. Especially TSH measurement using second- or third-generation assays ensures diagnostic accuracy, so that the thyrotropin-releasing hormone (TRH) test is now almost always unnecessary. The differentiation of blocking and stimulating TSH receptor antibodies is relevant when discrepant results are obtained with respect to thyroid function. Determination of glycosaminoglycans in urine may become a helpful tool in the follow-up of endocrine ophthalmopathy. Some new imaging agents have recently been applied in the scintigraphy of thyroid diseases, such as octreotide, or in thyroid diagnosis, such as fluorodeoxyglucose. Both improve the detectability of metastases of thyroid cancer, especially if the radioiodine scan is negative.
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Reinhardt, M.J., Moser, E. An update on diagnostic methods in the investigation of diseases of the thyroid. Eur J Nucl Med 23, 587–594 (1996). https://doi.org/10.1007/BF00833398
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DOI: https://doi.org/10.1007/BF00833398