Journal of Radioanalytical Chemistry

, Volume 65, Issue 1–2, pp 251–257 | Cite as

Iodine-123 for pediatric thyroid studies: An evaluation of its role

  • K. Y. Gulenchyn
  • R. G. Brown
  • M. D. Green
  • J. M. Ash
Radiotoxicology, Dosimetry and Medical Application


Sixteen thyroid and 2 total body iodine scans were obtained using123I in children aged 18 to 147 months. The dose of123I was 5.5–37MBq (150–1000 μCi), based on body surface area. Since the ratio of body surface area to mass is greater in children than in adults, this method of dose calculation results in an increased dose per kilogram in the child. Furthermore, the administered dose must be even greater than calculated in order to shorten imaging time and prevent image degradation by patient movement. Since thyroid imaging using99mTc-pertechnetate generally gives an equivalent amount of information, this radiopharmaceutical should remain the agent of choice in children.


Body Surface Area Count Density Pinhole Collimator Lingual Thyroid Pinhole Aperture 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Akadémiai Kiadó 1981

Authors and Affiliations

  • K. Y. Gulenchyn
    • 1
  • R. G. Brown
    • 1
  • M. D. Green
    • 1
  • J. M. Ash
    • 1
  1. 1.Division of Nuclear Medicine, Department of RadiologyHospital for Sick ChildrenToronto(Canada)

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