Keywords : acute tubular necrosis, arcuate renal artery, arteriovenous fistula, ATN, AV fistula, AVF, cadaveric allograft, calcineurin-inhibitor toxicity, CEUS, chronic rejection, color Doppler, contrast enhanced ultrasound, external iliac artery, false aneurysm, gray scale, iliac fossa, perinephric abscess, perinephric hematoma, perinephric lymphocele, perinephric urinoma, power Doppler, RCC, renal artery kink, Renal Artery Stenosis, renal artery thrombosis, renal artery, renal biopsy, renal cell carcinoma, renal edema, renal hilum, renal transplant, renal ultrasound, renal vein stenosis, renal vein thrombosis, renal vein, resistive index, RI, segmental renal artery, Society of Radiologists in Ultrasound, SRU, tardus parvus waveform, transplant rejection, urothelial thickening