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Confluence of the right internal iliac vein into a compressed left common iliac vein

Alberto Caggiati1, Miguel Amore2, Pietro Sedati3

  • 1Department of Anatomy, Sapienza University of Rome, Rome, Italy alberto.caggiati@uniroma1.it.

Phlebology
|May 10, 2015
PubMed

Insights

This study identifies a rare vascular anomaly where the right internal iliac vein drains abnormally, potentially obstructing pelvic venous return. This anatomical variation occurs in 0.9% of individuals, impacting blood flow.

Area of Science:

  • Vascular anatomy
  • Pelvic venous system
  • Radiological imaging

Background:

  • Understanding pelvic venous drainage is crucial for diagnosing and treating vascular conditions.
  • Anatomical variations in the iliac venous system can lead to significant clinical consequences.

Observation:

  • The study details an abnormal confluence of the right internal iliac vein into the left common iliac vein.
  • This anomaly is associated with compression of the left common iliac vein by the overlying right common iliac artery.

Findings:

  • The combined prevalence of these specific venous and arterial abnormalities was found to be 0.9% in cadaveric and CT studies.
  • This anatomical configuration may impede venous blood flow from the pelvis.

Implications:

  • The identified vascular anomaly may contribute to pelvic venous congestion or other circulatory issues.
  • Awareness of this rare condition is important for clinicians interpreting pelvic imaging and managing patients with suspected venous obstruction.

Keywords:
Chronic venous diseasepelvic venous insufficiencyvenous anatomy

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