National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
F-18 16 alpha-fluoroestradiol (… AL-fuh-FLOOR-oh-es-truh-DY-ol)

 A radiolabeled substance being studied as an imaging agent in breast cancer. F-18 16 alpha-fluoroestradiol binds to estrogen receptors and gives off radiation that can be detected by a PET scan. The PET scan forms an image that shows where cancer cells with estrogen receptors can be found in the body. It is a type of radioimaging agent. Also called F-18 FES.

Previous Definitions:extraocular, extraosseous, extrapleural pneumonectomy, extravasation, eye cancer
Next Definitions:F-18 FES, falimarev, fallopian tube, false-negative test result, false-positive test result