Citation, DOI and case data
Flank pain and tenderness after extracorporeal shock wave lithotripsy (left ureteropelvic junction obstruction by renal calculi).
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Delayed contrast excretion into the left urinary tract at 7 minutes, which persists 8 minutes post-contrast (note the left kidneys nephrogram is double-sized compare to the right). The late series (after 35 minutes) shows a collecting system dilatation and a contrast extravasating into area outside of the renal pelvis.