Superselective Transarterial Embolization of Renal Arteriovenous Malformations of Cryptogenic Origin

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Abstract
Renal arteriovenous (AV) shunts of unknown origin are rare clinical findings. When symptomatic they can as other renal AV shunts and malformations cause hypertension, congestive heart failure and hematuria. During the last few years the treatment has tended to go from surgery to the more gentle and renal parenchyma sparing but yet effective endovacular embolization techniques. Two cases of renal vascular malformations with severe clinical symptoms necessitating treatment are presented. Treatment was successfully performed with tissue adhesive and coils.