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A practical study of the hepatic vascular system anatomy of the caudate lobe

Wei Mao1, Xinhua Jiang1, Yong Cao1

  • 1Department of General Surgery, Nanchang University Infectious Disease Hospital, Nanchang, China.

Quantitative Imaging in Medicine and Surgery
|April 5, 2021
PubMed

Insights

This study examined the caudate lobe

Area of Science:

  • Anatomy
  • Surgical anatomy
  • Hepatobiliary surgery

Background:

  • The vascular system of the caudate lobe is crucial for hepatobiliary surgery.
  • Understanding its inflow and outflow is essential for surgical planning.

Purpose of the Study:

  • To investigate the inflow and outflow vascular system of the caudate lobe.
  • To determine the surgical relevance of the caudate lobe's vascular anatomy.

Main Methods:

  • Dissection of 41 cadaveric liver specimens.
  • Evaluation of the inflow and outflow vascular supply and drainage of the caudate lobe.

Main Results:

  • Glisson's pedicles predominantly originated from the right (34.15%) or left (53.66%) pedicle.
  • Caudate lobe veins drained into the inferior vena cava (IVC) anteriorly.
  • An avascular zone (45-97 mm x 6-15 mm) exists between the retrohepatic IVC and caudate lobe, lacking short hepatic veins (SHVs).

Conclusions:

  • The hilar plate and Arantius ligament define the boundary of the caudate lobe.
  • The identified avascular zone is a key anatomical landmark for surgical dissection.
Abstract

Keywords:
Caudate lobeanatomyretrohepatic inferior vena cava (retrohepatic IVC)

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