Combination treatment with telitacicept, mycophenolate mofetil and glucocorticoids for immunoglobulin A nephropathy: A case report

Figure 1 Renal biopsy findings in a patient. A: Hematoxylin and eosin staining: a-Glomerular ischemic sclerosis; b-Light microscopy image of immunoglobulin A (IgA) (200× magnification); B: Periodic Acid-Schiff Methenamine staining: The basement membrane of glomerular capillaries exhibits extensive vacuolar degeneration (200× magnification); C: Immunofluorescence staining for IgA: IgA deposits in a clustered manner along the mesangial zone (200× magnification); D: Electron microscopy: Deposition of electronic dense substances in the mesangial region (200× magnification).