PET-CT indications

Last revised by Dr Daniel J Bell on 20 Jun 2021

PET-CT is a combination of cross-sectional anatomic information provided by CT and the metabolic information provided by positron emission tomography (PET).

PET is most commonly performed with 2-[F-18]fluoro-2-deoxy-D-glucose (FDG). Fluorine-18 (F-18) is an unstable radioisotope and has a half-life of approximately 110 minutes.

The indications for F-18 fluorodeoxyglucose (FDG) PET-CT imaging include:

PET-CT can also be used as a problem-solving tool:

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