NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,385 terms related to cancer and medicine.
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- A radioactive substance being studied in positron emission tomography (PET) imaging to find certain types of cancer. 18F-FMCH gets taken up by cells in the body and more of it is taken up by cancer cells than by normal cells. A PET scanner is used to find which cells in the body have taken up 18F-FMCH. Also called 18F-choline, 18F-fluoromethylcholine, and fluorine F 18-fluoromethylcholine.