[18F]-FDG-PET/CT detects subclinical optic nerve inflammation in giant cell arteritis. - Gernert M; Schmalzing M; Fröhlich M; Zhi Y; Strunz PP; Labinsky H; Hartrampf PE; Buck AK; Bley TA; Guggenberger KV; Werner RA; Serfling SE (Frontiers in immunology, 2026)