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NCI Dictionary of Cancer Terms


iobenguane scan  listen  (I-oh-BEN-gwayn skan)

  A procedure used to find neuroendocrine tumors, such as neuroblastomas and pheochromocytomas. A small amount of a substance called radioactive iobenguane is injected into a vein and travels through the bloodstream. Neuroendocrine tumor cells take up the radioactive iobenguane and are detected by a scanner. Also called metaiodobenzylguanidine scan and MIBG scan.