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Preaortic esophageal veins: CT appearance

K Ibukuro1, T Tsukiyama, K Mori

  • 1Department of Radiology, Mitsui Memorial Hospital, Tokyo, Japan.

AJR. American Journal of Roentgenology
|June 3, 1998
PubMed
Summary

This study describes the CT imaging of preaortic esophageal veins in liver cirrhosis patients. These veins, originating from paraesophageal varices, run anterior to the aorta and drain into the hemiazygos vein.

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Area of Science:

  • Medical Imaging
  • Radiology
  • Vascular Anatomy

Background:

  • Liver cirrhosis often leads to esophageal varices.
  • Understanding collateral venous pathways is crucial for managing portal hypertension.

Purpose of the Study:

  • To detail the computed tomography (CT) imaging characteristics of preaortic esophageal veins.
  • To describe the anatomical course and drainage of these veins in patients with liver cirrhosis.

Main Methods:

  • Retrospective analysis of CT scans from 10 patients with liver cirrhosis.
  • Identification and characterization of preaortic esophageal veins.

Main Results:

  • Preaortic esophageal veins were observed originating from paraesophageal varices.
  • These veins course anterior to the descending aorta and drain into the hemiazygos vein.
  • Vein diameters ranged from 1 to 8 mm (mean 3.1 mm); two such veins were seen in two patients.

Conclusions:

  • Preaortic esophageal veins are anatomically equivalent to extrinsic esophageal veins.
  • Their identification on CT aids in understanding venous collaterals in liver cirrhosis.

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