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Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

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  A substance used to detect certain types of tumors, including pheochromocytomas and neuroblastomas. It contains a substance called iobenguane linked to a radioactive substance called iodine I 123. The tumor cells take up the , and a machine is used to detect where the cancer cells are in the body. It is a type of radioimaging agent. Also called iobenguane I 123.