Dilated renal collecting systems: differentiating obstructive from nonobstructive dilation using duplex Doppler ultrasound
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R O Bude1, J F Platt, J M Rubin
1Department of Diagnostic Radiology, University of Michigan Medical Center, Ann Arbor.
Urology
|February 1, 1991
Abstract:
Two patients with ileal loop urinary diversions, studied with real-time and Doppler sonography ("duplex sonography") of the kidneys, were shown to have dilated intrarenal collecting systems. Resistive index measurements calculated from the Doppler signal correctly identified obstructive dilatation in 1 case and nonobstructive dilatation in the other.