. Author manuscript; available in PMC: 2011 Aug 1.

Published in final edited form as: Eur J Nucl Med Mol Imaging. 2010 Mar 24;37(8):1499–1506. doi: 10.1007/s00259-010-1411-7

Table 1.

Residence times of source organs determined from whole-body imaging of seven healthy subjects injected with ¹¹C-MePPEP and seven healthy subjects injected with ¹⁸F-FMPEP-d₂

Organ	¹¹C-MePPEP^a	¹⁸F-FMPEP-d₂
	Residence time (h)	Residence time (h)
	Mean ± SD	Mean ± SD
Brain	0.034±0.006	0.145±0.033
Cortical bone	0.011±0.004	0.082±0.025
Gallbladder	0.002±0.001	0.029±0.019
Heart wall	0.007±0.002	0.017±0.003
Kidney	0.009±0.003	0.034±0.007
Liver	0.091±0.025	0.161±0.043
Lower large intestine	0.000±0.000	0.012±0.003
Lung	0.039±0.007	0.095±0.051
Red marrow	0.019±0.002	0.198±0.075
Small intestine	0.032±0.013	0.123±0.027
Spleen	0.004±0.001	0.011±0.005
Trabecular bone	0.003±0.001	0.020±0.006
Upper large intestine	0.004±0.002	0.068±0.015
Urinary bladder^b	-	0.119±0.026
Remainder of body	0.236±0.033	1.524±0.204

The residence time of ¹¹ C-MePPEP in thyroid and lower large intestine is <0.001 h

Some organs could not be identified as source organs for both radioligands