Radiation Dose Estimates for I-131 Hippuran

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	Estimated Radiation Dose (mGy/MBq)
ORGAN	mGy/MBq	rad/mCi
Adrenals	2.1E-03	7.7E-03
Brain	5.5E-04	2.1E-03
Breasts	6.7E-04	2.5E-03
Gallbladder Wall	3.0E-03	1.1E-02
LLI Wall	2.6E-02	9.5E-02
Small Intestine	1.0E-02	3.8E-02
Stomach	2.1E-03	7.7E-03
ULI Wall	8.0E-03	2.9E-02
Heart Wall	9.0E-04	3.3E-03
Kidneys	4.5E-02	1.7E-01
Liver	1.7E-03	6.4E-03
Lungs	7.7E-04	2.8E-03
Muscle	6.7E-03	2.5E-02
Ovaries	2.3E-02	8.6E-02
Pancreas	2.1E-03	7.7E-03
Red Marrow	4.8E-03	1.8E-02
Bone Surfaces	3.6E-03	1.3E-02
Skin	2.6E-03	9.6E-03
Spleen	2.0E-03	7.5E-03
Testes	1.7E-02	6.4E-02
Thymus	7.3E-04	2.7E-03
Thyroid	6.4E-04	2.4E-03
Urinary Bladder Wall	1.4E+00	5.3E+00
Uterus	5.4E-02	2.0E-01
Effective Dose Equivalent	1.0E-01 mSv/MBq	3.7E-01 rem/mCi

Based on data gathered in patients by Lindmo et al. (Med Phys 1(4):193-197, 1974). Assumed distribution and retention:

Total body 49% Tb = 0.285 hr 51% Tb = 0.0392 hr
Kidney Residence time = 6.2 minutes
All activity cleared through urinary bladder. Bladder voiding interval 4.8 hours.
Estimate calculated using phantom of Cristy & Eckerman (Report ORNL/TM-8381/V1 & V7)