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Radiat Prot Dosimetry ; 186(4): 443-451, 2019 Dec 31.
Article in English | MEDLINE | ID: mdl-30989207

ABSTRACT

The aim was to track the exposure to radiation workers in six nuclear medicine examinations. A number of 180 patients were recruited and external exposure was measured. Patients had undergone cardiac stress and rest, bone scan, I-131 therapy, Gallium-67 and FDG PET/CT imaging. The average dose received due to cardiac stress and rest were 20.4 ± 5.0 and 16.0 ± 3.8 µSv per patient, respectively, whereas for bone scan, Ga-67, FDG and I-131 therapy, the average dose was 6.1 ± 2.5, 6.0 ± 1.4, 11.1 ± 2.2 and 4.1 ± 2.6 µSv per patient. The patient-to-staff dose coefficients were on average 0.051 ± 0.009, 0.042 ± 0.010, 0.034 ± 0.016, 0.039 ± 0.021, 0.052 ± 0.012, 0.094 ± 0.021 µSv m2/MBq h for stress, rest, bone, I-131, Ga-67 and FDG reported post-administration, respectively. Patient injection and setup for imaging represent a high percentage of the total dose received by staff. The information revealed is able to revise local measures, safety standards, and could help further in dose optimization and minimal exposure to occupationally exposed worker in nuclear medicine laboratories.


Subject(s)
Nuclear Medicine/methods , Occupational Exposure/analysis , Positron-Emission Tomography/adverse effects , Radiation Exposure/analysis , Radiopharmaceuticals/adverse effects , Thyroid Neoplasms/diagnostic imaging , Thyroid Neoplasms/radiotherapy , Fluorodeoxyglucose F18/adverse effects , Gallium Radioisotopes/adverse effects , Humans , Iodine Radioisotopes/adverse effects , Middle Aged , Occupational Exposure/adverse effects , Positron-Emission Tomography/methods , Prognosis , Radiation Dosage , Radiation Exposure/adverse effects , Radionuclide Imaging , Technetium Tc 99m Medronate/adverse effects , Thyroid Neoplasms/pathology
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