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Vascular variations of liver and gallbladder: a case report

Satheesha Badagabettu Nayak1, Soumya Kodimajalu Vasudeva

  • 1Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal, Karnataka, India.

Anatomy & Cell Biology
|November 2, 2013
PubMed

Insights

Vascular anatomy variations near the porta hepatis are common. Understanding these hepatic and cystic artery anomalies is crucial for safe laparoscopic cholecystectomy and liver surgery.

Area of Science:

  • Vascular anatomy
  • Surgical anatomy
  • Hepatic artery variations

Background:

  • Vascular variations in the porta hepatis are frequently encountered.
  • Accurate anatomical knowledge is essential for surgeons performing laparoscopic cholecystectomy and liver resections.

Observation:

  • A case presented with multiple hepatic and cystic artery variations.
  • The common hepatic artery trifurcated into the gastroduodenal, right hepatic, and left hepatic arteries.
  • The right gastric artery originated from the left hepatic artery, branching into left and right components.

Findings:

  • The left branch of the right gastric artery entered the porta hepatis.
  • The right branch traversed the Calot's triangle, supplying the gallbladder and right hepatic lobe.
  • This right branch originated from the left hepatic artery, not the right hepatic artery.

Implications:

  • Ligating the right branch of the right gastric artery in Calot's triangle during cholecystectomy risks liver segment avascular necrosis.
  • Highlights the importance of meticulous surgical dissection and pre-operative imaging to identify aberrant vasculature.
  • Emphasizes the need for detailed anatomical understanding to prevent intraoperative complications.

Keywords:
Calot's triangleCeliac trunkCystic arteryHepatic arteryRight gastric artery

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