Introduction: The aim of this study was to determine the prevalence of anatomic variations (renal, vascular and urological) and acquired renal pathologies in living kidney donor candidates (LKDC).
Methods: This is a retrospective study of all LKDC referred to our center between April 2003 and September 2014. Of the 491 LKDC, 189 were initially excluded for medical reasons (n=140) or others reasons (n=49), without undergoing a radiological assessment. In total, 302 had a radiological assessment (angio-CT or MRI) in anticipation of the donation and 226/302 (73.5%) could donate a kidney.
Results: One or more anatomical variations and/or acquired abnormalities were observed in 178/302 (58.9%) of the LKDC. The most frequent were arterial variations or abnormalities (multiple arteries, fibrodysplasia, aneurysms, stenosis≥70%) which where observed in 39.3% of the LKDC, followed by the venous abnormalities (27.8%). Kidney stones were observed in 5.6% of the LKDC and the urinary abnormalities (duplication/ureteral bifidity) were found in 3% of the LKDC. No malignant tumour was diagnosed, while 4 benign tumours (1.3%) were identified, and one of them required additional investigations.
Conclusion: We found a high prevalence of anatomical variations and acquired abnormalities in a population of LKDC. However, these findings resulted in the exclusion of only 4% of the candidates, because they did not contraindicate the donation or, in most of cases, the contralateral kidney could be used.
Level Of Evidence: 3.
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