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[Difficulties in the treatment of symptomatic varicocele using percutaneous embolization: the circumaortic renal

Eva Aguilar Rivilla1, Enrique de la Peña Zarzuelo, Juan Gallego Beuter

  • 1Unidad de Radiología Intervencionista del Servicio de Diagnóstico por Imagen, Hospital Clínico San Carlos, Madrid, España.

Archivos Espanoles De Urologia
|August 15, 2002
PubMed

Insights

Anatomic anomalies like the left circumaortic renal vein can complicate varicocele embolization. This venous anomaly was found in 4% of cases, sometimes making gonadal embolization technically impossible.

Area of Science:

  • Vascular anatomy
  • Interventional radiology

Background:

  • Anatomic variations of the inferior vena cava and its tributaries can complicate endovascular procedures.
  • Left circumaortic renal vein is a rare anomaly that may impact venous access.

Purpose of the Study:

  • To determine the incidence of left circumaortic renal vein during gonadal embolization for varicocele.
  • To assess the impact of this anomaly on the technical feasibility of varicocele embolization.

Main Methods:

  • Retrospective analysis of 50 gonadal embolization procedures for symptomatic varicocele.
  • Identification and documentation of any left circumaortic renal vein presence.

Main Results:

  • Two cases (4%) of left circumaortic renal vein were identified.
  • Successful gonadal embolization was achieved in only one of the two cases due to inability to localize the gonadal vein ostium in the other.
  • In the successful case, the gonadal vein ostium was located within the venous ring's paraaortic confluence.

Conclusions:

  • The presence of a circumaortic left renal vein can present a significant technical challenge.
  • This anomaly may render gonadal embolization for varicocele technically impossible in some instances.
Abstract

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