TABLE 1

Residence Times (h) (n = 9)

Site	⁶⁸Ga-DOTATATE	⁶⁸Ga-DOTATOC
Kidney	0.056 ± 0.010	0.048 ± 0.011
Liver^*	0.161 ± 0.056	0.128 ± 0.041
Spleen	0.038 ± 0.020	0.038 ± 0.023
Adrenal gland	0.003 ± 0.002	0.003 ± 0.001
Lungs	0.005 ± 0.001	0.006 ± 0.002
Urinary bladder contents	0.070 ± 0.045	0.086 ± 0.052
Bone marrow	0.032 ± 0.013	0.038 ± 0.016
Heart contents	0.012 ± 0.005	0.014 ± 0.005
SI contents	0.021 ± 0.008	0.018 ± 0.008
ULI contents	0.008 ± 0.003	0.007 ± 0.003
LLI contents	0.001 ± 0.000	0.001 ± 0.000
Remainder of body	1.152 ± 0.088	1.149 ± 0.079

↵* Significant difference between tracers (Wilcoxon signed-rank test; P < 0.05).
LLI = lower large intestine; SI = small intestine; ULI = upper large intestine.