Back

Radiation Dose Estimates for Tc-99m MAG3


  Estimated Radiation Dose
ORGAN mGy/MBq rad/mCi
     
Adrenals 4.4E-04 1.6E-03
Brain 1.0E-04 3.8E-04
Breasts 1.1E-04 3.9E-04
Gallbladder Wall 6.7E-04 2.5E-03
LLI Wall 7.1E-03 2.6E-02
Small Intestine 2.9E-03 1.1E-02
Stomach 4.5E-04 1.7E-03
ULI Wall 2.1E-03 7.8E-03
Heart Wall 1.8E-04 6.8E-04
Kidneys 4.1E-03 1.5E-02
Liver 3.5E-04 1.3E-03
Lungs 1.5E-04 5.5E-04
Muscle 1.7E-03 6.3E-03
Ovaries 6.6E-03 2.5E-02
Pancreas 4.5E-04 1.7E-03
Red Marrow 1.1E-03 4.2E-03
Bone Surfaces 1.5E-03 5.6E-03
Skin 5.5E-04 2.0E-03
Spleen 4.1E-04 1.5E-03
Testes 4.6E-03 1.7E-02
Thymus 1.3E-04 5.0E-04
Thyroid 1.3E-04 4.6E-04
Urinary Bladder Wall 1.4E-01 5.1E-01
Uterus 1.5E-02 5.5E-02
     
Effective Dose Equivalent 1.2E-02 mSv/MBq 4.4E-02 rem/mCi

Based on the model of Stabin et al. (data gathered in human subjects), J Nucl Med 33:33-40, 1992. Residence times:

Kidneys 0.0757 hr
Urinary Bladder 3.3 hr (bladder voided every 4.8 hours)
Remainder 0.23 hr

Estimate calculated using phantom of Cristy & Eckerman (Report ORNL/TM-8381/V1 & V7)