18F-Fluorodeoxyglucose positron emission tomography-computed tomography in evaluation of large vessel vasculitis

Amrutha Lakshmi Rayudu, Tekchand Kalawat, VS Krishna Mohan, A Mohan, Amancharla Yadagiri Lakshmi, Ranadheer Gupta Mantri

Indian Journal of Nuclear Medicine 2018 33(1):48-51

18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT) is a rapidly evolving hybrid imaging technique in evaluation of infection and inflammation. Usually, functional changes often precede anatomical changes. 18F-FDG PET-CT, a noninvasive diagnostic test and it is useful for the early detection of inflammation. Most of the large vessel vasculitis patients present with nonspecific signs and symptoms, which are difficult to diagnose clinically. Here, we discuss three cases of large vessel vasculitis with different clinical presentations, identified by 18F-FDG PET-CT scan.

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