PET scans may serve as both a diagnostic and prognostic tool in giant cell arteritis (GCA), according to a new study. In over 100 patients with GCA who underwent 18 F-fluorodeoxyglucose (FDG) PET ...

Positron emission tomography (PET) scans can detect cancer earlier than other imaging tests. But some types of cancer are harder to detect on a PET scan. In particular, they may miss cancers that ...