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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.
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Synonym:fluorine-18 16 alpha-fluoroestradiol
Abbreviation:F-18 FES
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