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Concurrent Variations of Celiac and Superior Mesenteric Arteries

B Satheesha Nayak1, S D Shetty1, S R Sirasanagandla2

  • 1Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal Academy of Higher Education, Madhav Nagar, Manipal, Karnataka State, India.

Kathmandu University Medical Journal (KUMJ)
|November 16, 2019
PubMed

Insights

This study details a rare celiac trunk variation where it split into two, with a separate hepato-mesenteric trunk for the superior mesenteric and hepatic arteries. Understanding these anatomical anomalies is crucial for surgical procedures.

Area of Science:

  • Anatomy
  • Vascular Surgery
  • Radiology

Background:

  • The celiac trunk, a primary ventral branch of the abdominal aorta, typically trifurcates into the common hepatic, left gastric, and splenic arteries.
  • Anatomical variations in the celiac trunk's branching pattern can impact surgical planning and interpretation of imaging studies.

Observation:

  • A rare variation in the celiac trunk branching pattern was identified.
  • The celiac trunk divided into the left gastric artery and a splenogastroduodenal trunk.
  • The superior mesenteric artery and hepatic artery originated from a distinct common hepato-mesenteric trunk.

Findings:

  • The splenogastroduodenal trunk further divided into the splenic and gastroduodenal arteries.
  • The hepatic artery exhibited an unusual winding course around the portal vein and hepatic duct.
  • This anatomical variation presents a significant departure from the typical celiac trunk anatomy.

Implications:

  • Knowledge of such rare anatomical variations is vital for accurate radiological interpretations.
  • Precise understanding of these anomalies is essential for surgeons performing liver transplants and pancreatic surgeries.
  • Awareness of these variations can prevent intraoperative complications and improve patient outcomes.

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