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. Congenital renal arteriovenous fistulas (AVF) are rare,  especially if they are associated with other developmental renal anomalies.  Case Outline. A 34-year-old female was hospitalized due to total painless  hematuria and bladder tamponade. Excretory urography revealed a horseshoe  kidney with normal morphology of pyelocaliceal system and ureters.  Aortography and selective renovasography detected a cluster-like vascular  formation with multiple arteriovenous fistulas (AVF). Due to a large AVF  gauge and poor flow of the efferent vein to the inferior vena cava, a  surgical procedure of two renal artery segmentary branches ligation and  division was performed. During the operative procedure, the presence of  multiple superficial renal hemangiomas was detected. Conclusion. Although  selective arterial embolization represents the preferable treatment option,  conventional surgery remains favorable alternative in selected cases with  large and complex AVF

Congenital arteriovenous fistula of the horseshoe kidney with multiple hemangiomas