Pathology Characteristic renal biopsy immunofluorescence findings that leads to diagnosis of Berger disease is: A Predominantly deposition on IgA in subepithelial region B Predominantly deposition on IgG in subendothelial region C Predominantly deposition on IgG in glomerular basement membrane D Predominantly deposition on IgA in mesangium 💡 Explanation Characteristic renal biopsy immunofluorescence findings that leads to diagnosis of Berger disease is: ✓ Correct Answer: D. Predominantly deposition on IgA in mesangium