Patients with predominantly cranial vs isolated extracranial GCA phenotypes present with different patterns of arterial involvement on 18F-FDG PET-CT scans.

Temporal artery biopsy is the gold standard for diagnosis of GCA and is desirable in all cases. Other tests being used as surrogate imaging are: ultrasonography, fluorodeoxyglucose PET (FDG-PET ...

Temporal Artery Biopsy A biopsy of the affected temporal artery should always be attempted to increase specificity of GCA diagnosis. In case biopsy is delayed but clinical suspicion of GCA is ...