Fagart A, Machet T, Collet G, et al. - This study was intended to present FDG-PET/CT findings in 10 patients with newly diagnosed polyarteritis nodosa (PAN). Researchers designed a retrospective study of patients with PAN who had undergone FDG-PET/CT at diagnosis, between 2017 and 2020. They examined FDG-PET/CT data retrospectively. The study enrolled 10 patients: nine men and one woman with a median age of 67 (43–78) years. FDG-PET/CT appears to be a beneficial non-invasive imaging technique for diagnosing PAN, especially in patients with non-specific systemic features. As per the findings, tracer uptake in muscular connective tissue appears to be a recurrent sign in patients with PAN and may be pathognomonic.