[F-18]HX4

Definition / meaning of [F-18]HX4

A 2-nitroimidazole labeled with the positron-emitting radioisotope fluorine F 18. HX4, the 2-nitroimidazole moiety of [F-18]HX4, is selectively bioreduced and bound in hypoxic tumor cells, permitting the imaging of hypoxic tumor cells with positron emission tomography (PET).

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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