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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Eur J Nucl Med Mol Imaging. 2013 Oct 31;41(2):322–332. doi: 10.1007/s00259-013-2558-9

Table 3.

Biodistribution of [18F]MFBG, 123I-MIBG and [124I]MIBG in animals bearing dual C6-hNET and C6-WT xenografts.

% Injected Dose/g tissue

Organs [18F]MFBG* 123I-MIBG [124I]MIBG*
4 h p.i.
(n = 6)
4 h p.i.
(n = 4)
4 h p.i.
(n = 5)
24 h p.i.
(n = 5)
C6-hNET 4.25±0.95 4.02±0.35 6.02±0.51 3.58±0.55
C6-WT 0.57±0.08 0.49±0.04 1.27±0.10 0.22±0.02
Blood 0.25±0.05 0.66±0.10 0.76±0.15 0.21±0.02
Stomach 0.46±0.12 0.77±0.34 2.85±0.54 1.08±0.08
Kidneys 0.99±0.29 0.84±0.11 2.09±0.10 0.64±0.04
Intestinal wall (S) 2.16±0.26 3.67±1.05 10.3±0.6 2.66±0.18
Intestinal contents (S) 1.36±0.11 5.24±0.46 6.92±1.79 1.76±0.40
Intestinal wall (L) 1.72±0.52 2.96±0.74 7.88±0.74 3.18±0.45
Intestinal contents (L) 1.26±0.23 2.25±0.29 3.62±0.89 2.00±0.06
Pancreas 0.78±0.06 1.15±0.13 3.48±0.31 0.75±0.10
Spleen 1.50±0.19 2.51±0.29 4.43±0.35 1.36±0.27
Liver 2.05±0.30 2.27±0.18 5.42±0.44 1.00±0.05
Muscle 0.62±0.09 0.95±0.13 3.21±0.28 0.69±0.07
Heart 2.21±0.66 2.10±0.14 19.6±2.5 2.93±0.17
Lungs 1.30±0.20 2.84±0.38 9.50±2.26 1.55±0.37
Adrenals 5.56±2.34 7.34±2.63 13.9±1.7 7.46±1.78
Bone 0.89±0.16 0.71±0.10 2.56±0.27 0.45±0.09
Salivary glands 6.09±1.02 8.41±0.83 29.1±1.8 7.95±0.81

C6-hNET/tissue ratio

Blood 17.1±4.4 6.4±1.3 8.4±1.9 17.0±3.1
Muscle 6.8±0.9 4.3±0.4 1.9±0.3 5.2±0.4
Liver 2.1±0.4 1.8±0.2 1.1±0.2 3.6±0.7
Intestine wall (S) 1.9±0.4 1.4±0.3 0.6±0.1 1.4±0.2
Intestine wall (L) 1.8±0.7 1.7±0.2 0.8±0.1 1.1±0.2
Heart 0.6±0.4 1.9±0.1 0.3±0.1 1.2±0.2
Adrenal 1.9±0.7 0.7±0.2 0.4±0.0 0.5±0.1
Salivary gland 0.7±0.1 0.5±0.0 0.2±0.0 0.5±0.1
*

No carrier added synthesis;

Carrier-added (~0.31 GBq/µmol); Values: Mean ± SD.