Table 1.

Comparison of radiation dosimetry of ¹³¹I-tositumomab and ¹⁸F-FDG, The delivered doses are in cGy

Organ	131I-Bexxar	18F-FDG
	100 mCi	10 mCi	100 mCi	1.0 Ci	2.0 Ci
Brain	48	0.7	7	70	140
Kidneys	725	0.74	7.4	74	148
Heart wall	462	2.2	22	220	440
Spleen	421	1.4	14	140	280
Liver	303	0.58	5.8	58	116
Lungs	292	0.64	6.4	64	128
Bone marrow	240	0.48	4.8	48	96
Testes	307	0.42	4.2	42	84
Ovaries	93	0.54	5.4	54	108
Urinary Bladder Wall	237	2.7	27	270	540
Total body	88	0.44	4.4	44	88