PMC3015674_01
Inflated catheter balloon (white arrow) seen as filling defect within renal pelvis.
jsls-10-1-126-g01.jpg
PMC3015674_01_jsls-10-1-126-g01.jpg
F1
An antegrade nephrostogram outlined the catheter balloon within the renal pelvis (Figure 1).
(A) Chiba needle (white arrow) has punctured and drained the catheter balloon. (B) Contrast injected via Chiba needle has filled the catheter balloon (dark arrow) and confirmed its integrity.
jsls-10-1-126-g02.jpg
PMC3015674_01_jsls-10-1-126-g02.jpg
F2
Fluoroscopy confirmed complete deflation of the balloon (Figure 2A). Contrast was then instilled through the Chiba needle to evaluate the integrity of the balloon and exclude the possibility of retained balloon fragments from a ruptured balloon (Figure 2B).