NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,812 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- listen (… FLOOR-oh-MY-soh-NIH-duh-zole)
- A radioactive substance being studied as an imaging agent in head and neck cancers and other types of cancer. It binds to large molecules in tumor cells that have a low level of oxygen. Radiation given off by 18F-fluoromisonidazole is detected by a PET scan. The amount of 18F-fluoromisonidazole in the tumor may help decide the best treatment and help predict whether the cancer will come back after treatment. 18F-fluoromisonidazole is a type of radioimaging agent. Also called 18F-MISO and FMISO.