Bilateral massive perirenal subcapsular effusion: A case report.

Bilateral perirenal subcapsular effusion is a rare condition with several underlying etiologies. A 27-year-old woman presented with a 3-day history of bilateral flank pain and edema on the dorsum of her feet. Imaging, biochemical, and clinical evaluations revealed bilateral massive perirenal subcapsular effusion secondary to nephrotic syndrome. The patient was successfully treated with bilateral percutaneous drainage. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound 45:597-599, 2017.