Background: True degenerative aneurysm of renal artery represents a very rare evolution in kidney transplantation. The cases presented in the literature are usually perianastomotic or mycotic pseudoaneurysm related to surgical technical defects or local infections.
Case report: Herewith, we present the case of a voluminous true aneurysm developed in a young patient transplanted at our hospital 20 years before. All follow-up ultrasounds were always normal until the last disclosing a voluminous aneurysm of the transplanted renal artery. The subsequent angio-CT-scan confirmed the presence of a 52-mm saccular dilatation of the renal artery. For the complex anatomy, the endovascular approach was excluded, and a surgical revascularization was staged. We treated this lesion with the autotransplant technique, preserving the transplanted kidney, resecting the aneurysm, and performing a direct anastomosis after cold perfusion of the kidney.
Conclusions: The autotransplant technique demonstrated to be a safe and effective approach in this challenging and very unusual situation.
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