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IAEA INTERCOMPARISON EXERCISES OF THYROID MEASUREMENT: PERFORMANCE OF LATIN AMERICAN AND CARIBBEAN LABORATORIES.

B M Dantas1, A L A Dantas2, R Cruz-Suarez3

  • 1Instituto de Radioproteção e Dosimetria, Rio de Janeiro, Brazil bmdantas@ird.gov.br bmdantas@gmail.com.

Radiation Protection Dosimetry
|November 8, 2015
PubMed
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Intercomparison exercises for measuring Iodine-131 (131I) in the human thyroid have significantly improved nuclear medicine staff capabilities in Latin America. These exercises demonstrate the effectiveness of collaborative efforts in enhancing radiation safety and in vivo monitoring techniques across the region.

Area of Science:

  • Nuclear Medicine
  • Radiation Protection
  • In Vivo Monitoring

Background:

  • Iodine-131 (131I) is a significant source of potential radionuclide intake for nuclear medicine staff in Latin America and the Caribbean.
  • Effective in vivo monitoring is crucial for ensuring the safety of personnel working with radioactive materials.

Purpose of the Study:

  • To disseminate and harmonize the technique for measuring 131I in the human thyroid across Latin America and the Caribbean.
  • To assess the improvement in in vivo measurement capabilities through intercomparison exercises.

Main Methods:

  • Organized three intercomparison exercises in 2005, 2009, and 2013.
  • Exercises were conducted under IAEA technical cooperation projects RLA9049 and RLA9066.
  • Participants included institutions from various countries in Latin America, increasing over time.

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Main Results:

  • The number of participating institutions grew from 9 to 20, representing an increase from 7 to 13 countries.
  • Participants demonstrated significant improvement in their in vivo measurement techniques for 131I.
  • In the 2013 exercise, all reporting laboratories achieved acceptable performance according to ISO criteria.

Conclusions:

  • The intercomparison exercises have been beneficial in enhancing the region's capacity for in vivo monitoring of 131I.
  • Harmonization and dissemination of measurement techniques improve radiation safety standards.
  • Continued collaboration is recommended to maintain and further improve these vital monitoring capabilities.