NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,054 terms related to cancer and medicine.

iodine I 123-metaiodobenzylguanidine
(I-oh-dine … meh-tuh-I-oh-doh-BEN-zul-GWAH-nih-deen)
A drug containing a form of radioactive iodine called I 123 that is used to detect certain types of tumors, including pheochromocytomas and neuroblastomas. Radiation from the I 123 may help show where cancer cells are in the body. Iodine I 123-metaiodobenzylguanidine is a type of radioimaging agent and a type of radioconjugate. Also called 123I-MIBG, AdreView, and iobenguane I 123.