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NCI Drug Dictionary


F-18 16 alpha-fluoroestradiol 
A radiopharmaceutical consisting of an estradiol analogue radiolabeled with the positron-emitting isotope fluorine F 18. F-18 16 alpha-fluoroestradiol is actively taken up in tumor cells expressing the estrogen receptor (ER), allowing visualization of ER-positive tumor cells with positron emiision tomography (PET). Uptake of this agent depends upon the ER status of target tissues. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
Synonym:fluorine-18 16 alpha-fluoroestradiol
Abbreviation:F-18 FES