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A new technique for labeling of Lipiodol with 188Re in the treatment of hepatic tumor

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Abstract

A new method for the synthesis of 188Re-Lipiodol without using a chelating agent and to evaluate the stability and biodistribution of the new agent in rats with hepatic tumors was attempted. Eighteen male Sprague -Dawley rats with liver tumors were sacrificed at 1, 24, and 48 hours (six rats at each time) after injection of approximately 7.4 MBq (0.2 mCi) of 188Re Lipiodol via the hepatic artery. Samples of tumor, liver and other organs were collected and tissue concentration (%ID/g) of the markers were calculated. Our data showed a high level of radioactivity in the hepatic tumors at every time of the study. The ratios of tumor to normal liver tissue concentration (T/N ratio) were 7.62 at 1 hour, 8.03 at 24 hours, and 7.70 at 48 hours. Except for the liver, kidneys and lungs, concentrations in other organs were low. The new method for labeling Lipiodol with 188Re is simple and has potential for the treatment of hepatic tumors

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Wang, SJ., Lo, TY., Hsieh, BT. et al. A new technique for labeling of Lipiodol with 188Re in the treatment of hepatic tumor. Journal of Radioanalytical and Nuclear Chemistry 261, 189–193 (2004). https://doi.org/10.1023/B:JRNC.0000030955.44982.70

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  • DOI: https://doi.org/10.1023/B:JRNC.0000030955.44982.70

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