PMID: 11903180Mar 21, 2002Paper

Comparison of chronic exposures received by radiation workers using different biological end-points with the doses recorded by TLD

Australasian Radiology
P VenkatachalamR K Jeevanram

Abstract

The frequency of different biological end-points such as translocation, dicentrics (DC) and micronuclei (MN) was studied in 14 radiation workers and 21 non-radiation workers. The average frequencies for different types of aberrations were significantly higher in radiation workers compared to those of respective aberrations in non-radiation workers. Out of 14 radiation workers, eight subjects showed a dose above the detection limit as per translocation and seven subjects as per DC frequency and no patient showed a dose above the detection limit as per MN frequency. Regression analysis carried out between the recorded doses according to Thermo Luminescence Dosimeter (TLD) and the dose estimated as per translocation frequency gave a correlation coefficient of 0.32, whereas that obtained with TLD dose and the dose estimated as per DC was 0.81. When the correlation was made between the TLD dose, which was above 0.15 Gy (the detection limit for translocation), and the dose estimated as per translocation frequency in these subjects, a correlation coefficient of 0.98 was found. A similar analysis between the TLD dose above 0.5 Gy (the detection limit for DC) and the dose estimated as per DC frequency in these subjects, a correlation co...Continue Reading

References

Jul 1, 1992·International Journal of Radiation Biology·J N LucasJ Gray
Feb 1, 1992·Health Physics·T StraumeR G Langlois
Feb 1, 1985·Mutation Research·M Fenech, A A Morley
Dec 1, 1996·International Journal of Radiation Biology·C LindholmT Veidebaum
Feb 1, 1997·International Journal of Radiation Biology·G SnigiryovaM Bauchinger

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Citations

Sep 25, 2008·Dento Maxillo Facial Radiology·E M M CerqueiraG M Machado-Santelli

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