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Circumaortic renal collar. A potentially hazardous anomaly of the left renal vein
Insights
A circumaortic renal collar, a left renal vein anomaly, poses surgical risks. Angiography can identify this anomaly, preventing surgical complications like hemorrhage or nephrectomy.
Area of Science:
- Vascular anatomy
- Surgical anatomy
- Medical imaging
Background:
- The left renal vein can exhibit anatomical variations.
- A circumaortic renal collar is a rare anomaly where the left renal vein encircles the aorta.
- This anomaly can complicate retroperitoneal surgical procedures.
Abstract:
The circumaortic renal collar is a potentially hazardous anomaly of the left renal vein. Failure to recognize the dorsal component during retroperitoneal surgery may lead to hemorrhage, nephrectomy or death. The angiographer can make a significant contribution in documenting this anomally in patients who are candidates for surgery in this area.