AUTHOR=Zhang Jingdong , Liu Yang , Jin Fengyan , Li Jia , Wang Hui , Ma Fuzhe , Jia Ye , Yu Jinyu , Wu Shan , Fu Shaojie , Xu Zhonggao , Wu Hao TITLE=Concurrent presentation of proliferative glomerulonephritis with monoclonal immunoglobulin deposits and light chain proximal tubulopathy: a case report and review of the literature JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1502798 DOI=10.3389/fmed.2025.1502798 ISSN=2296-858X