A renal sonogram, also known as a renal ultrasound or a kidney ultrasound, is a test that uses sound waves to create images of the kidneys, bladder, and the ureters. The kidneys are the organs that filter the waste products out of the blood and produce urine. The test is painless and noninvasive and shows the size, shape, and location of the kidneys and the urinary tract. The test can help diagnose kidney diseases, monitor treatment, and follow-up with prognosis. The procedure takes approximately 30 minutes.
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