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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
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Anomalous inferior vena cava associated with horseshoe kidney on multidetector computed tomography

Tamaki Ichikawa1, Shuichi Kawada, Jun Koizumi

  • 1Department of Radiology, Tokai University School of Medicine, Isehara, Kanagawa 159-1193, Japan.

Clinical Imaging
|July 16, 2013
PubMed

Insights

Anomalous inferior vena cava (IVC) variations are more common in patients with horseshoe kidney (HSK). This study found a higher prevalence of IVC anomalies in HSK patients compared to those without the condition.

Area of Science:

  • Vascular anatomy
  • Congenital anomalies
  • Urology

Background:

  • Horseshoe kidney (HSK) is a common congenital anomaly.
  • The inferior vena cava (IVC) exhibits significant anatomical variability.
  • Understanding the association between HSK and IVC anomalies is crucial for surgical planning and interpreting imaging studies.

Purpose of the Study:

  • To determine the prevalence of anomalous inferior vena cava (IVC) in patients with horseshoe kidney (HSK).
  • To compare the frequency of IVC anomalies between patients with and without HSK.

Main Methods:

  • Retrospective analysis of multidetector computed tomography (MDCT) scans.
  • Inclusion of 205 patients with HSK and 1990 patients without HSK.
  • Detailed review of anatomical variations of the IVC in both groups.

Main Results:

  • Anatomical variations of the IVC were identified in 3.9% of patients with HSK (8 out of 205).
  • Variations included preisthmic IVC with retrocaval ureter, double IVCs, left IVCs, and IVC with azygos continuation.
  • The prevalence of anomalous IVC was significantly higher in patients with HSK (3.9%) compared to those without HSK (0.6%, 12 out of 1990).

Conclusions:

  • Anomalous IVC is significantly more frequent in patients with horseshoe kidney.
  • These findings highlight the importance of recognizing IVC variations in patients with HSK.
  • Awareness of this association can aid in clinical management and reduce potential complications.

Keywords:
Horseshoe kidneyInferior vena cavaMultidetector computed tomography

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