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Contemporary diagnosis of retrocaval ureter
A J Pienkny1, B Herts, S B Streem
1Department of Urology, Cleveland Clinic Foundation, Ohio 44195, USA.
Purpose:
We describe a noninvasive radiologic evaluation of a retrocaval ureter using currently available technology.
Materials And Methods:
Three-dimensional volume-rendered CT and diuretic renography were performed for evaluation of a possible retrocaval ureter.
Results:
The 3D CT scan definitively diagnosed the retrocaval ureter, while diuretic renography showed no evidence of clinically significant obstruction. No invasive procedures were required.
Conclusion:
A 3D volume-rendered CT scan in the excretory phase combined with diuretic renography is the radiologic evaluation of choice for patients with a suspected retrocaval ureter, as it is noninvasive yet highly accurate in its anatomic delineation.