Study of wrist, finger and crystalline dosimetry in radiopharmacists and nursing assistants to adjust a percentage factor between the extremities
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2021
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This work finds a correlation factor setting a percentage of the difference between the values
obtained at the body extremities. The data was obtained from 4 workers who inject and dispose
radiopharmaceuticals. The workers handling radioactive material worn both ring and wrist
dosimeters, with the exception of the radiopharmacist who worn one dosimeter on each wrist
and a ring on his right hand. The dosimeters were TLD. To measure the crystalline, dosimeters
were placed in each rod of workers’ safety goggles. The results show that for the radioisotope
99m Tc were carried out a total of 20 elutions; 49 markings and 199 fractioning. Fourteen
fractioning to 18F, 4 131I, 67Ga with 3 and 1 to 111In. The radiopharmacist’s ring showed dose of
11 mSv, while the wrist dosimeter marked 7.78 mSv on the right and 5.40 mSv on the left. The goggles showed 0.43 mSv on the left side and 0.52 mSv on right side. The nurse’s results were:
Nurse A: 1.13 mSv in ring and 0.23 in wrist; Nurse B: 1.11 mSv in ring and 0.90 mSv in wrist;
Nurse C: 0.73 mSv in ring and 0.56 mSv in wrist. The goggles worn by Nurse B recorded 0.19
mSv on the right side and BG on the left side. The difference between the dose received by
wrists and rings was between 20% and 30%. This factor obtained in these data encourages
continuing research and shows that wrist dosimetry is feasible, respecting the proportionality.
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Dosimetry, Fingers, OEI, Crystalline, Wrist
Citação
GUIMARÃES, M. I. C. C.; MELO, I. B.; ITIKAWA, E. N.; SOUZA, U. F. de; BUCHPIGUEL, C. A.; VIDEIRA, H. S. Study of wrist, finger and crystalline dosimetry in radiopharmacists and nursing assistants to adjust a percentage factor between the extremities. SCIREA Journal of Clinical Medicine, Hong Kong, v. 6, n. 6, p. 691-695, 2021. DOI: 10.54647/cm32666. Disponível em: https://www.scirea.org/journal/PaperInformation?PaperID=6479. Acesso em: 19 abr. 2023.