EJNMMI Physics

Table 2 Normalized cumulated activity coefficients (NCAs) for indicated source organs determined from whole-body imaging of three healthy subjects injected intravenously with [¹¹C]-UCB-J

From: Human biodistribution and dosimetry of [¹¹C]-UCB-J, a PET radiotracer for imaging synaptic density

Source organ	NCA (MBq-hr/hr)			Average
Source organ	Adult female	Adult female	Adult male	Average
Brain	0.0787	0.0633	0.0506	0.0642 ± 0.0141
Gallbladder	0.0030	0.0000	0.0014	0.0015 ± 0.0015
Small intestine	0.0524	0.0341	0.0598	0.0488 ± 0.0133
Right colon	0.0062	0.0041	0.0071	0.0058 ± 0.0015
Left colon	0.0002	0.0001	0.0003	0.0002 ± 0.0001
Stomach	0.0105	0.0047	0.0078	0.0077 ± 0.0029
Heart wall	0.0037	0.0034	0.0053	0.0041 ± 0.0010
Kidneys	0.0144	0.0156	0.0064	0.0121 ± 0.0050
Liver	0.0654	0.0641	0.0705	0.0667 ± 0.0034
Lungs	0.0101	0.0093	0.0121	0.0105 ± 0.0014
Red marrow	0.0211	0.0194	0.0192	0.0199 ± 0.0010
Spleen	0.0015	0.0017	0.0008	0.0013 ± 0.0005
Urinary bladder	0.0358	0.0263	0.0211	0.0277 ± 0.0075
Total body/remainder	0.1720	0.1946	0.1872	0.1846 ± 0.0155

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