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. 2024 May 15;9(8):2462–2473. doi: 10.1016/j.ekir.2024.05.011

Figure 3.

Figure 3

AIN pattern of IgG4-TIN. Plasma cell-rich interstitial inflammation with minimal fibrosis and no tubular atrophy (left panel). Immunoperoxidase staining for IgG4 (right panel) shows a marked increase in IgG4+ plasma cells. This pattern of injury shows minimal or no TBM immune deposits. (Hematoxylin and eosin).