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  • Title: Radiation risk of thyroid scintigraphy in newborns.
    Author: Beekhuis H, Piers DA.
    Journal: Eur J Nucl Med; 1983; 8(8):348-50. PubMed ID: 6311557.
    Abstract:
    Tumor risk factors were calculated for newborns who were investigated for congenital hypothyroidism (CHT) with radionuclides by thyroid scintigraphy. Figures for three radiopharmaceuticals, 99mTc-pertechnetate, 123I-and 131I-sodium iodide for adults were extrapolated to newborns. The radiation dose to the normal thyroid gland in newborns was seven times higher for 123I-NaI than for 99mTcO-4, the somatically effective total body dose was two times higher for 123I-NaI than for 99mTcO-4. The use of 123I-NaI was preferred because of better scintigraphic results. Risk estimates for thyroid scintigraphy in newborns in the diagnostic work-up of CHT are given using published age-dependent tumor induction figures derived from atomic bomb survivors.
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