TABLE 4

ROIs Derived from microPET Images for Animals Given ¹⁸F-FDG

	Activity/volume (mean ± SD)
Animal/time	Tumor	Heart^*	BM^†	Tumor/heart ratio	Tumor/BM ratio
Animal 1
1.7 h	3.92 ± 1.01	3.84 ± 0.87	5.21 ± 1.57	1.02	0.75
Animal 2
1.7 h	4.17 ± 1.03	7.48 ± 1.43	7.15 ± 1.37	0.55	0.58
Animal 3
1.7 h	3.80 ± 1.50	3.6 ± 0.54	4.40 ± 2.25	1.06	0.86

↵* Activity taken from coronal slice showing heart wall.
↵† BM = bone marrow as determined in shoulder seen in coronal slice shown in Figure 5.