Table 1.

Equivalent and effective absorbed doses delivered into human organs after injection of ¹⁶⁶Ho-pamidronate

Target organs	Equivalent absorbed dose in humans (mGy/MBq)	Tissue weighting factor (Wta)	Effective absorbed dose in humans (mSv/MBq)
Adrenals	0.003	0.12	0.0004
Brain	0.003	0.01	0.0000
Breasts	0.001	0.12	0.0001
GB wall	0.001	0.12	0.0001
LLI wall	0.208	0.12	0.0250
Small intestine	0.001	0.12	0.0001
Stomach wall	0.027	0.12	0.0032
ULI wall	0.001	0.12	0.0001
Heart wall	0.038	0.12	0.0046
Kidneys	0.157	0.12	0.0188
Liver	0.063	0.04	0.0025
Lungs	0.075	0.12	0.0090
Muscle	0.062	0.12	0.0074
Ovaries	0.002	0.08	0.0002
Pancreas	0.002	0.12	0.0002
Red Marrow	0.903	0.12	0.1110
Bone surf	1.11	0.01	0.0114
Spleen	0.068	0.12	0.0082
Testes	0.001	0.12	0.0001
Thymus	0.001	0.12	0.0001
Thyroid	0.002	0.04	0.0001
UB wall	0.001	0.04	0.0000
Total body	0.095		0.203

GB, gallbladder; LLI, lower large intestine; UB, urinary bladder; ULI, upper large intestine.

^aTissue-weighting factors according to International Commission on Radiological Protection 103 (2007).