Renal biopsy in glomerulonephritis

Glomerulonephritis [GN] is responsible for 25-30% of end-stage renal disease [ESRD] among all causes. Renal biopsy is important to determine the GN treatment method and its prognosis. In some cases, renal biopsy is required for definitive diagnosis. Biopsies were used as a diagnostic method in different disease from 1930. They were performed blindly and at bedside. Complication rate varies from 2 to 20% in different reports. Percutaneous renal biopsy is a routine diagnostic procedure in nephrology nowadays, and it should be individualized for each patient depending on their age, BMI, coagulation status and the availability of skilled radiologist. In this paper, we review image-guided renal biopsy in glomerulonephritis