Imaging diagnosis-portal vein aplasia and interruption of the caudal vena cava in three dogs

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13 Citations (Scopus)

Abstract

Severe portal vascular anomalies have been reported previously accompanying azygos continuation of the caudal vena cava, polysplenia, and situs anomalies in dogs and people. Three dogs with portal vascular anomalies were identified by means of CT angiography as having portal vein aplasia with portal insertion into the caudal vena cava, azygos continuation of the caudal vena cava, and interruption of the pre-hepatic caudal vena cava. This information confirms that complex embryological defects may occur in patients presenting for congenital portosystemic shunt, and that CT angiography is a non-invasive method of completely evaluating these potentially non-surgical portal vascular anomalies.

Original languageEnglish (US)
Pages (from-to)444-447
Number of pages4
JournalVeterinary Radiology and Ultrasound
Volume52
Issue number4
DOIs
StatePublished - Jul 2011

Fingerprint

vena cava
Venae Cavae
portal vein
Portal Vein
blood vessels
image analysis
Dogs
Blood Vessels
dogs
Surgical Portasystemic Shunt
liver
Liver
Computed Tomography Angiography

Keywords

  • Azygos continuation
  • Caudal vena cava aplasia
  • Portal vein
  • Portal vein aplasia
  • Shunt

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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title = "Imaging diagnosis-portal vein aplasia and interruption of the caudal vena cava in three dogs",
abstract = "Severe portal vascular anomalies have been reported previously accompanying azygos continuation of the caudal vena cava, polysplenia, and situs anomalies in dogs and people. Three dogs with portal vascular anomalies were identified by means of CT angiography as having portal vein aplasia with portal insertion into the caudal vena cava, azygos continuation of the caudal vena cava, and interruption of the pre-hepatic caudal vena cava. This information confirms that complex embryological defects may occur in patients presenting for congenital portosystemic shunt, and that CT angiography is a non-invasive method of completely evaluating these potentially non-surgical portal vascular anomalies.",
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AU - Spriet, Mathieu

AU - Hunt, Geraldine B

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AB - Severe portal vascular anomalies have been reported previously accompanying azygos continuation of the caudal vena cava, polysplenia, and situs anomalies in dogs and people. Three dogs with portal vascular anomalies were identified by means of CT angiography as having portal vein aplasia with portal insertion into the caudal vena cava, azygos continuation of the caudal vena cava, and interruption of the pre-hepatic caudal vena cava. This information confirms that complex embryological defects may occur in patients presenting for congenital portosystemic shunt, and that CT angiography is a non-invasive method of completely evaluating these potentially non-surgical portal vascular anomalies.

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