Radiation Dose Estimates for I-123 Sodium Iodide

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	Estimated Radiation Dose (mGy/MBq)
ORGAN	mGy/MBq	rad/mCi
Adrenals	5.1E-03	1.9E-02
Brain	4.7E-03	1.8E-02
Breasts	3.0E-03	1.1E-02
Gallbladder Wall	7.3E-03	2.7E-02
LLI Wall	1.1E-02	4.0E-02
Small Intestine	3.3E-02	1.2E-01
Stomach	5.5E-02	2.0E-01
ULI Wall	1.4E-02	5.0E-02
Heart Wall	5.1E-03	1.9E-02
Kidneys	5.5E-03	2.0E-02
Liver	4.9E-03	1.8E-02
Lungs	4.9E-03	1.8E-02
Muscle	6.8E-03	2.5E-02
Ovaries	1.2E-02	4.4E-02
Pancreas	1.0E-02	3.8E-02
Red Marrow	5.8E-03	2.2E-02
Bone Surfaces	9.8E-03	3.6E-02
Skin	3.3E-03	1.2E-02
Spleen	7.3E-03	2.7E-02
Testes	5.1E-03	1.9E-02
Thymus	5.6E-03	2.1E-02
Thyroid	3.4E+00	1.3E+01
Urinary Bladder Wall	9.6E-02	3.6E-01
Uterus	1.6E-02	5.9E-02
Effective Dose Equivalent	1.2E-01 mSv/MBq	4.5E-01 rem/mCi

Based on model in MIRD Dose Estimate Report No. 5 (data gathered in human subjects), J Nucl Med 16:857-860, 1975 (25% thyroid uptake).

Dynamic bladder model with 4.8-hour voiding interval