In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget



18F-fluoromisonidazole  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.