AUTHOR=Fassio Angelo , Berti Alvise , Mantovani Alessandro , Adami Giovanni , Pollastri Francesco , Gatti Davide , Bixio Riccardo , Messina Valeria , Rossini Maurizio , Bertelle Davide , Bertoldo Eugenia , Galvagni Isotta , Bortolotti Roberto , Viapiana Ombretta TITLE=Osteoporosis and fractures in systemic vasculitides: a systematic review and meta-analysis JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1545546 DOI=10.3389/fimmu.2025.1545546 ISSN=1664-3224