PMC3424819_01
A plain X-ray film of the abdomen shows the original coiled JJ stent with formation of a complete knot (black arrow). An additional ureteral stent was inserted for rapid decompression of infected solitary kidney (white arrowhead).
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F1
A 7-F ureteral catheter was inserted, under local anesthesia, to relieve the renal obstruction [Figure 1].