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Angio-CT, axial plane, arterial phase, case 1. Major diameter of the UAF. Dart: UAF with concomitant iodinated contrast leakage; #: common right iliac artery bifurcation; *: hypogastric artery;  : external iliac artery; and @: pseudoaneurysm sac.
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The patient signed informed consent for anonymous data use and publication (Figures 2 and 3).
Angiography, image with no digital subtraction, frontal view, late arterial phase, case 1. Iodinated contrast leakage from UAF. *: right ureteral double J stent and  : contrast leakage from UAF.
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The patient signed informed consent for anonymous data use and publication (Figures 2 and 3).
PMC9746699_02
Retrograde ureterography, image with no digital subtraction, frontal view, case 2, first episode. Iodinated contrast leak from the left ureter into the distal left common iliac artery. *: left ureteral stent;  : left common iliac artery; and #: UAF.
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CT angiography and retrograde pyelography resulted negative for contrast leakage, so a bilateral ureteropyeloscopy and provocative retrograde pyelography were performed: the latter manoeuvre showed contrast leakage from the left ureteral stump into the iliac artery (Figure 4).