Comparative study of F-FDG PET/CT and CT angiography in detection of large vessel vasculitis.

Objective: Compare F-FDG PET/CT and CTangio in the diagnosis of extracraneal large vessel involvement in patients with suspicion of large vessel vasculitis (LVV).

Material And Methods: A retrospective database reviewed 59 patients with clinical suspicion of LVV undergoing F-FDG PET/CT and CTangio. In 55 patients PET/TC and CTangio were done simultaneously in the same machine and in 4 patients with a scan interval of<1 month.