Describe the most common appearance of the end-stage kidney (medical renal disease) on ultrasound. What are the causes of renal failure, and how are they categorized? What are the imaging features of acute tubular necrosis? What diagnostic test is most commonly used to rule out obstruction? What is the first step in evaluating a patient with renal failure? What is the treatment for renal failure with end-stage kidneys? Book traversal links for Renal Failure ‹ What is the most common cause of reflux nephropathy? Up Describe the most common appearance of the end-stage kidney (medical renal disease) on ultrasound. ›