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Retroperitoneal arteriovenous malformation extending through the inferior vena cava into the heart and causing

Yon Mi Sung1, Yeon Hyeon Choe, Seung Woo Park

  • 1Department of Radiology and Center for Imaging Science, Sungkyunkwan University School of Medicine, Kangnam-gu, Seoul, South Korea.

European Radiology
|July 3, 2004
PubMed

Insights

A rare case of retroperitoneal arteriovenous malformation was found extending into the heart. This vascular abnormality involved dissection of the inferior vena cava, creating a double lumen.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Cardiology

Background:

  • Arteriovenous malformations (AVMs) are complex vascular anomalies.
  • Retroperitoneal AVMs are rare, and their extension into the inferior vena cava (IVC) and heart is exceptionally uncommon.
  • Inferior vena cava dissection is a critical condition often associated with trauma or invasive procedures.

Observation:

  • A 32-year-old female presented with a complex retroperitoneal arteriovenous malformation.
  • Imaging revealed the AVM extended through the inferior vena cava into the right heart chambers.
  • Computed tomography and magnetic resonance imaging demonstrated a unique double-lumen inferior vena cava with a solid component attached to a cardiac lesion.

Findings:

  • Digital subtraction angiography confirmed an arteriovenous malformation.
  • The AVM was observed to drain directly into the inner lumen of the dissected inferior vena cava.
  • The findings indicate a severe, complex vascular malformation involving major venous and cardiac structures.

Implications:

  • This case highlights the importance of advanced imaging in diagnosing rare vascular pathologies.
  • Understanding the complex anatomy is crucial for planning potential interventional or surgical management.
  • Such extensive AVMs pose significant risks, including hemodynamic compromise and potential for embolization.

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