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The Ultrasound Journal
Fig. 3 | The Ultrasound Journal

Fig. 3

From: Ultrasound contrast agent assisted ultrasonography guidance percutaneous nephrostomy for non-hydronephrotic kidney

Fig. 3

Images of a 53 year-old woman, diagnosed with ureteral fistula, underwent UCA assisted US guided PCN. a Conventional US and Doppler US demonstrate that none hydronephrosis occurs in renal system. b The course (arrow) of PTC puncture needle insertion. c The needle tip has entered the destination renal papilla (circle). d Withdraw the PTC needle, the renal calyces and its pelvis structures can be clearly observed via the diluted UCA solution be injected (arrowheads). e CT results manifested that the right ureter near the bladder opening was unclear and a little contrast medium was visible in the pelvis (arrowheads). f UCA media only presents in the patient's ureter (arrow) and not in the bladder (circle), suggesting ureteral fistula occurred

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