Table 1. Biodistribution analyses.

Tissue	68Ga pPET	18FDG-PET
	(n= 8)	(n=13)
Tumor	5.50 ± 0.96 (n=8)	7.61 ± 1.53 (n=10)
Blood *	0.63 ± 0.19	1.21 ± 0,20
Liver **	0.95 ± 0.15	2.26 ± 0.33
Kidney ***	1.88 ± 0.37	6.57 ± 0.77
Intestine ***	0.30 ± 0.10	4.99 ± 0.52
Lung ***	0.75 ± 0.14	5.77 ± 0.50
Muscle ***	0.35 ± 0.14	5.93 ± 1.78
Spleen ***	0.47 ± 0.07	4.52 ± 0.37
Skin ***	0.72 ± 0.25	3.08 ± 0.17
Brain ***	0.15 ± 0.06	5.74 ± 0.49
Heart ***	0.28 ± 0.08	61.57 ± 10.53
Bone ***	0.32 ± 0.09	3.85 ± 0.40
Stomach ***	0.43 ± 0.12	3.43 ± 0.45

(^*: p=0.043, ^**: p= 0.0018, ^***: p= 0.0004).

Comparison of tumor and organ uptake in ⁶⁸Ga-pPET and ¹⁸FDG-PET. (^*: P=0.043, ^**: P=0.0018, ^***: P<0.0004).