PMC5098139_01
Representative selection of CT abdomen and pelvis images showing location of obstructing proximal ureteral stone, including axial (A) and coronal (B) cuts.
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A noncontrast CT scan of the abdomen and pelvis revealed bilateral nephrolithiasis and a left 6 x 5 mm proximal ureteral calculus (Hounsfield units = 709) with associated moderate hydroureteronephrosis (Fig. 1).
Representative selection of intraoperative fluoroscopic images showing contrast extravasation at initial ureteroscopy (A) and resolution of ureteral injury after stent placement 6 weeks postoperation (B).
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A retrograde pyelogram confirmed extravasation of contrast at the location of the ureteral injury (Fig. 2). A retrograde pyelogram showed no extravasation (Fig. 2).