Bilateral pneumothorax following percutaneous renal biopsy.

Percutaneous renal biopsy is an important tool for defining the type and severity of many renal diseases. Modifications in the procedure have been made from time to time. The latest innovation has focused on more accurate localization of the kidney by ultrasound localization prior to biopsy. From a large series published in the literature it appears that renal biopsy is almost without risk. However, inspite of 40 years of experience with the highly successful procedure, complications of renal biopsy continue to occur(l). We report an unusual complication following renal biopsy.