Molecular Imaging of Mesothelioma with ^99mTc-ECG and ⁶⁸Ga-ECG

Table 2

Biodistribution of  ^99mTc-ECG in mesothelioma-bearing rats.

	Percentage of injected dose per gram of tissue weight (𝑛=3/time, interval, iv)^1
	30 min	2 h	4 h
Blood	0.98±0.06	0.23±0.03	0.16±0.01
Heart	0.28±0.02	0.06±0.01	0.04±0.00
Lung	0.65±0.03	0.16±0.03	0.10±0.00
Thyroid	0.55±0.04	0.12±0.02	0.08±0.00
Pancreas	0.21±0.02	0.05±0.01	0.04±0.01
Liver	1.05±0.02	0.86±0.07	0.51±0.02
Spleen	0.59±0.05	0.61±0.07	0.70±0.02
Kidney	3.79±0.57	2.02±0.49	1.33±0.10
Stomach	0.35±0.03	0.07±0.01	0.03±0.00
Intestine	0.28±0.02	0.11±0.04	0.04±0.01
Uterus	0.55±0.04	0.15±0.06	0.08±0.01
Tumor	0.47±0.06	0.12±0.01	0.08±0.00
Muscle	0.13±0.01	0.03±0.01	0.02±0.00
Bone	0.16±0.06	0.05±0.01	0.03±0.00
Brain	0.04±0.00	0.01±0.00	0.01±0.00
Tumor/blood	0.47±0.03	0.50±0.03	0.51±0.00
Tumor/muscle	3.49±0.24	3.75±0.44	5.06±0.25
Tumor/brain	10.79±0.50	10.22±1.37	15.52±0.89
Uterus/muscle	4.18±0.23	4.49±0.96	4.74±0.16
Tumor/lung	0.71±0.07	0.75±0.10	0.85±0.04

¹Values represent the mean ± standard deviation of data from 3 animals.