Novel COL4A3 synonymous mutation causes Alport syndrome coexistent with immunoglobulin A nephropathy in a woman: A case report

Figure 2 Findings of the proband’s renal biopsy. A: Hematoxylin and eosin stain shows mild mesangial proliferation (as the arrow indicates). Original magnification 400 ×; B: Immunofluorescence shows deposition of immunoglobulin A (as the arrow indicates). Original magnification 400 ×; C: Immunofluorescence shows deposition of C3 (as the arrow indicates). Original magnification 400 ×; D: Electron microscopy shows diffuse thinning of the glomerular basement membrane (as the arrow indicates). Scale bars: 2 μm.