Table 2.

Uptake of ²¹¹At Activity After Intravenous Administration of ²¹¹At-Labeled Murine 81C6 in Athymic Mice Bearing D54-MG Subcutaneous Xenografts

	% Injected dose/grama
Tissue	2 h	4 h	16 h	24 h
	Liver	8.95 ± 1.91	9.55 ± 1.89	5.79 ± 2.28	5.62 ± 1.47
Spleen	6.69 ± 1.12	7.83 ± 1.89	7.18 ± 1.87	7.30 ± 1.37
Lung	14.94 ± 1.79	11.28 ± 2.09	11.17 ± 2.57	10.69 ± 1.52
Heart	8.51 ± 1.98	7.00 ± 1.28	5.49 ± 1.43	5.42 ± 0.80
Kidney	8.15 ± 0.58	7.12 ± 0.66	5.78 ± 1.03	5.70 ± 1.16
Stomach	3.97 ± 0.48	6.60 ± 1.57	5.32 ± 0.60	8.15 ± 3.52
Sm. Int.	2.82 ± 0.11	2.71 ± 0.20	2. 35 ± 0.43	2.86 ± 0.42
Lg. Int.	1.39 ± 0.15	1.5 ± 0.25	1.46 ± 0.25	1.98 ± 0.35
Thyroidb	1.18 ± 0.34	0.86 ± 0.35	0.56 ± 0.14	0.80 ± 0.25
Muscle	0.96 ± 0.19	0.86 ± 0.20	0.98 ± 0.43	1.31 ± 0.21
Blood	28.84 ± 1.93	21.11 ± 2.69	14.28 ± 3.11	15.65 ± 3.67
Bone	3.10 ± 0.51	3.18 ± 0.57	3.22 ± 1.19	3.16 ± 0.53
Brain	1.18 ± 0.26	0.79 ± 0.19	0.72 ± 0.16	0.75 ± 0.11
Tumor	8.30 ± 1.72	10.78 ± 0.80	19.89 ± 2.97	19.40 ± 4.12

^aMean ± SD (n = 5).

^bInjected dose per organ.