Kidney stones: Also, tumors or cysts or shrunken kidney may cause abnormal findings and become readily diagnosed by ultrasound.
Answered 12/8/2014
6.3k views
To look for cause: Renal us is an easy noninvasive way to image the kidneys and bladder to look for obstruction, stones, or tumors. All can cause abnormal renal function studies.
Answered 11/28/2017
5k views
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