AUTHOR=Li Na , Xu LiFen , Liu Xiaoxia , Wu Pengjia , Liu Jun , Zeng Jiashun TITLE=Castleman disease misdiagnosed as immunoglobulin G4-related disease: a case report JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1532627 DOI=10.3389/fimmu.2025.1532627 ISSN=1664-3224