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Iodine Tests & Measurements

 

Fluorescent Scanning

Abraham

 

The saliva/serum iodide ratio as an index of sodium/iodide symporter efficiency.

Abraham, G.E., Brownstein, D., Flechas, J.D.,

The Original Internist, 12(4): 152-156, 2005.

 

"The ideal set up for the evaluation and follow-up of patients with iodide transport defect on nutritional intervention should include measurement of stable iodide in the thyroid gland by FEA. This would require the availability of equipment for performing FEA. Unfortunately, there is a moratorium in the U.S. on the use of FEA to measure thyroidal stable iodine content, probably because it exposes the harmful effect of radioiodide and thyroid hormones in depleting the thyroid gland of iodine in patients not supplemented with iodine....

 

"Published data on the safe and useful applications of FEA for both scanning of the thyroid gland and quantification of intrathyroidal iodine suggest that it is safer and more informative than radioisotope scanning....

 

"'The technique allows us, however, to follow changes in iodine content of the thyroid in thyroid disease, such as Hashimoto’s thyroiditis, in which this may have some prognostic implications.' [Wahner, 1978]

 

"'The detection of iodine in a thyroid nodule by X-ray fluorescence pre-operatively would significantly decrease the probability of malignancy and the need for surgical excision.' [Pavoni, 1976]

 

"Pavoni and Reiners et al used FEA to assess response of thyroidal iodine after administration of iodine supplementation.... We are evaluating the possibility of setting up the FEA technology in situ in order to correlate the saliva/serum ratio with the thyroidal iodine content."

 

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  Copyright: Zoe, 2006.