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(A) Computed tomography (CT) image showed 80% stenosis of the transplanted renal artery (TRAS) of the posterosuperior kidney, while the renal artery of the anteroinferior kidney was normal; (B) A 99mTechnitium diethylenetriamine-pentaacetate (DTPA) scan showed delayed radiotracer uptake by the cranially placed kidney, suggestive of TRAS; (C) A selective renal angiogram showed 80% stenosis of the transplanted main renal artery; (D) Following stenting, selective renal angiogram showed normal flow across the renal artery.
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Computed tomography angiogram revealed 80% TRAS of the cranially placed transplanted kidney, while the renal artery of the caudally placed kidney was normal (Figure 1A). A 99mTechnitium diethylenetriamine-pentaacetate (DTPA) scan showed delayed radiotracer uptake by the cranially placed kidney (Figure 1B). TRAS. The affected renal artery was selectively cannulated with a 6-French (6F) Judkins Right-4 coronary guide catheter via right transfemoral access and an 80% stenosed lesion (Figure 1C) was crossed with a ChoicePT coronary guidewire (Boston Scientific, Natick, MA, USA). Good flow was achieved across the transplanted renal artery (Figure 1D).