E-ISSN 1305-3612
Interventional Radiology - Technical Note
Stent-assisted detachable coil embolization of wide-necked renal artery aneurysms
1 Department of Vascular and Endovascular Surgery, University Federico II of Naples, Naples, Italy  
2 Department of Radiology, University of Palermo, Palermo, Italy  
3 Vascular Surgery Unit, AORN Cardarelli, Naples, Italy  
4 DIBIMEF and Vascular Surgery Unit, University of Palermo, Palermo, Italy  
5 Department of Neurosurgery Unit, University Federico II of Naples, Naples, Italy  
Diagn Interv Radiol 2017; 23: 77-80
DOI: 10.5152/dir.2016.15551

Renal artery aneurysms (RAAs) are rare with an estimated incidence of 0.1% in the general population, and they represent approximately 25% of all visceral aneurysms. The gold standard of treatment is open surgery, but it is associated with a high risk of nephrectomy, mortality, and morbidity. Less invasive endovascular therapies are becoming increasingly common for the treatment of RAAs. Here, we aimed to report three cases of wide-necked complex renal artery aneurysms treated endovascularly using stent-assisted coil embolization with self-expandable stent nitinol Solitaire AB and Concerto Axium coils. In addition, we describe the use of the waffle-cone technique in a case of wide-necked saccular RAA involving the renal artery bifurcation. Technical success was achieved in all three cases with no early or late complications and no recurrences. 

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