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Sonographic detection of ureteral calculi in patients with normal excretory urography
S C Kolbeck1, L R Watson, A D Jenkins
1Department of Urology, University of Virginia Health Sciences Center, Charlottesville.
The Journal of Urology
|September 1, 1992
Abstract:
We report 3 cases of nonobstructing distal ureteral calculi diagnosed by sonography in which excretory urography was normal. In each case sonography was performed because of high clinical suspicion for a ureteral stone. In 2 patients a stone was impacted at an edematous ureteral orifice. All 3 patients subsequently passed the stone spontaneously. A high resolution ultrasound examination should be performed on patients with a history suggestive of ureteral calculus despite a normal excretory urogram.