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Research ArticleRADIATION SAFETY

Radiation Dose to Technologists per Nuclear Medicine Examination and Estimation of Annual Dose

Tuncay Bayram, A. Hakan Yilmaz, Mustafa Demir and Bircan Sonmez
Journal of Nuclear Medicine Technology March 2011, 39 (1) 55-59; DOI: https://doi.org/10.2967/jnmt.110.080358
Tuncay Bayram
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A. Hakan Yilmaz
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Mustafa Demir
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Bircan Sonmez
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    FIGURE 1.

    Doses to technologists per nuclear medicine procedure, in comparison with study of Chiesa et al. (2).

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    TABLE 1

    External Dose Rates per Procedure Measured at Various Distances from Patient

    Distance from patient
    Type of examination0.25 m0.5 m1 m2 m
    Whole-body bone scan (99mTc-MDP)1.31 ± 0.710.56 ± 0.200.33 ± 0.120.13 ± 0.03
    Thyroid scan (99mTc-pertechnetate)1.70 ± 0.730.86 ± 0.230.43 ± 0.090.20 ± 0.02
    Renal scan (99mTc-DMSA)1.06 ± 1.130.48 ± 0.360.24 ± 0.160.08 ± 0.02
    Myocardial perfusion scan
     99mTc-MIBI, stress1.65 ± 1.040.69 ± 0.260.27 ± 0.130.09 ± 0.03
     99mTc-MIBI, rest2.29 ± 1.351.42 ± 0.590.43 ± 0.180.19 ± 0.06
     201Tl-chloride, stress0.32 ± 0.160.13 ± 0.030.07 ± 0.050.03 ± 0.01
     201Tl-chloride, redistribution0.34 ± 0.160.18 ± 0.060.13 ± 0.080.05 ± 0.01
    • Data are mean ± SD (mR/h).

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    TABLE 2

    Dose to Technologists per Nuclear Medicine Examination in Different Diagnostic Applications

    Type of examinationnPatient positioning doseTotal dose using lead shieldTotal dose without lead shield
    Whole-body bone scan (99mTc-MDP)200.10 ± 0.050.24 ± 0.080.57 ± 0.15
    Thyroid scan (99mTc-pertechnetate)120.08 ± 0.030.15 ± 0.020.26 ± 0.06
    Renal scan (99mTc-DMSA)150.03 ± 0.030.13 ± 0.050.21 ± 0.07
    Myocardial perfusion scan
     99mTc-MIBI28*0.13 ± 0.080.43 ± 0.171.01 ± 0.46
     201Tl-chloride20†0.02 ± 0.010.16 ± 0.040.23 ± 0.08
    • ↵* Stress + rest.

    • ↵† Stress + redistribution.

    • Data are mean ± SD (μSv).

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    TABLE 3

    Estimated Annual Total Doses to Technologists Responsible for a Particular Diagnostic Procedure

    Type of examinationMean annual dose using lead shieldMean annual dose without lead shield
    Whole-body bone scan (99mTc-MDP)1.503.56
    Thyroid scan (99mTc-pertechnetate)0.941.63
    Renal scan (99mTc-DMSA)0.330.53
    Myocardial perfusion scan
     99mTc-MIBI0.862.02
     201Tl-chloride0.200.29
    • Data are in millisieverts.

    • View popup
    TABLE 4

    Annual Doses to Technologists as Measured with Thermoluminescence Dosimeters

    Type of examinationAnnual dose to technologist 1Annual dose to technologist 2Annual mean dose
    Whole-body bone scan (99mTc-MDP)4.053.653.85
    Thyroid scan (99mTc-pertechnetate)1.721.401.56
    Renal scan (99mTc-DMSA)1.351.521.44
    Myocardial perfusion scan (99mTc-MIBI + 201Tl-chloride)3.994.254.12
    • Data are in millisieverts.

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Journal of Nuclear Medicine Technology: 39 (1)
Journal of Nuclear Medicine Technology
Vol. 39, Issue 1
March 1, 2011
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Radiation Dose to Technologists per Nuclear Medicine Examination and Estimation of Annual Dose
Tuncay Bayram, A. Hakan Yilmaz, Mustafa Demir, Bircan Sonmez
Journal of Nuclear Medicine Technology Mar 2011, 39 (1) 55-59; DOI: 10.2967/jnmt.110.080358

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Radiation Dose to Technologists per Nuclear Medicine Examination and Estimation of Annual Dose
Tuncay Bayram, A. Hakan Yilmaz, Mustafa Demir, Bircan Sonmez
Journal of Nuclear Medicine Technology Mar 2011, 39 (1) 55-59; DOI: 10.2967/jnmt.110.080358
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