Article Figures & Data
Figures
- FIGURE 1.
Doses to technologists per nuclear medicine procedure, in comparison with study of Chiesa et al. (2).
Tables
Distance from patient Type of examination 0.25 m 0.5 m 1 m 2 m Whole-body bone scan (99mTc-MDP) 1.31 ± 0.71 0.56 ± 0.20 0.33 ± 0.12 0.13 ± 0.03 Thyroid scan (99mTc-pertechnetate) 1.70 ± 0.73 0.86 ± 0.23 0.43 ± 0.09 0.20 ± 0.02 Renal scan (99mTc-DMSA) 1.06 ± 1.13 0.48 ± 0.36 0.24 ± 0.16 0.08 ± 0.02 Myocardial perfusion scan 99mTc-MIBI, stress 1.65 ± 1.04 0.69 ± 0.26 0.27 ± 0.13 0.09 ± 0.03 99mTc-MIBI, rest 2.29 ± 1.35 1.42 ± 0.59 0.43 ± 0.18 0.19 ± 0.06 201Tl-chloride, stress 0.32 ± 0.16 0.13 ± 0.03 0.07 ± 0.05 0.03 ± 0.01 201Tl-chloride, redistribution 0.34 ± 0.16 0.18 ± 0.06 0.13 ± 0.08 0.05 ± 0.01 Data are mean ± SD (mR/h).
- TABLE 2
Dose to Technologists per Nuclear Medicine Examination in Different Diagnostic Applications
Type of examination n Patient positioning dose Total dose using lead shield Total dose without lead shield Whole-body bone scan (99mTc-MDP) 20 0.10 ± 0.05 0.24 ± 0.08 0.57 ± 0.15 Thyroid scan (99mTc-pertechnetate) 12 0.08 ± 0.03 0.15 ± 0.02 0.26 ± 0.06 Renal scan (99mTc-DMSA) 15 0.03 ± 0.03 0.13 ± 0.05 0.21 ± 0.07 Myocardial perfusion scan 99mTc-MIBI 28* 0.13 ± 0.08 0.43 ± 0.17 1.01 ± 0.46 201Tl-chloride 20† 0.02 ± 0.01 0.16 ± 0.04 0.23 ± 0.08 - TABLE 3
Estimated Annual Total Doses to Technologists Responsible for a Particular Diagnostic Procedure
Type of examination Mean annual dose using lead shield Mean annual dose without lead shield Whole-body bone scan (99mTc-MDP) 1.50 3.56 Thyroid scan (99mTc-pertechnetate) 0.94 1.63 Renal scan (99mTc-DMSA) 0.33 0.53 Myocardial perfusion scan 99mTc-MIBI 0.86 2.02 201Tl-chloride 0.20 0.29 Data are in millisieverts.
Type of examination Annual dose to technologist 1 Annual dose to technologist 2 Annual mean dose Whole-body bone scan (99mTc-MDP) 4.05 3.65 3.85 Thyroid scan (99mTc-pertechnetate) 1.72 1.40 1.56 Renal scan (99mTc-DMSA) 1.35 1.52 1.44 Myocardial perfusion scan (99mTc-MIBI + 201Tl-chloride) 3.99 4.25 4.12 Data are in millisieverts.
