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Related Concept Videos

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Veins of the Abdomen and Pelvis

The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
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Overview of Systemic Veins

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Related Experiment Video

Updated: May 15, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
06:59

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Published on: January 13, 2023

The double retro-aortic left renal vein.

Dong-Soo Kyung1, Jae-Ho Lee, Deuk-Yong Shin

  • 1Department of Anatomy, Keimyung University School of Medicine, Daegu, Korea.

Anatomy & Cell Biology
|January 10, 2013
PubMed
Summary

A rare anatomical variation revealed double retro-aortic left renal veins in a cadaver. These veins coursed behind the aorta, highlighting the importance of recognizing such renal vein anomalies.

Keywords:
Renal veinsRetro-aorticVariation

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Area of Science:

  • Anatomy
  • Embryology
  • Vascular Surgery

Background:

  • The renal veins drain the kidneys into the inferior vena cava.
  • Normally, the left renal vein is situated anterior to the aorta.
  • Embryological anomalies can lead to a retro-aortic course of the renal vein.

Observation:

  • A rare variation of the left renal vein was identified during an educational dissection.
  • The cadaver was a 66-year-old male.
  • Double retro-aortic renal veins were observed coursing posterior to the aorta.

Findings:

  • The superior retro-aortic renal vein drained into the inferior vena cava at the L2 vertebral level.
  • The inferior retro-aortic renal vein drained into the inferior vena cava at the L4 vertebral level.
  • This represents a rare anatomical variant of the left renal venous system.

Implications:

  • This finding is clinically significant for vascular surgeons, oncologists, and traumatologists.
  • Awareness of such rare venous anomalies is crucial for surgical planning and patient safety.
  • Understanding variations in renal vein anatomy can prevent intraoperative complications.