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Figure 6: Percutaneous nephrostomy in an obstructed transplant kidney: Contrast medium administered into the pelvicalyceal system following ultrasonography-guided needle puncture (a). A guide wire left in the bladder (b) and pigtail catheter introduced after serial dilatations over the wire (c)

Figure 6: Percutaneous nephrostomy in an obstructed transplant kidney: Contrast medium administered into the pelvicalyceal system following ultrasonography-guided needle puncture (a). A guide wire left in the bladder (b) and pigtail catheter introduced after serial dilatations over the wire (c)