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Rare left colic artery variation of the gut arterial system
, 2, 2, 2
Affiliations- A.T. Still University Kirksville College of Osteopathic Medicine, Kirksville, MO, United States
- Centre for Anatomical Science and Education, Department of Surgery, Saint Louis University School of Medicine, Saint Louis, MO, United States
open access
Abstract
Most variations of the abdominal blood supply are related to branching of the coeliac trunk and superior mesenteric artery. This case details a remarkable variation in the branching pattern of the left colic artery (LCA) observed during routine cadaveric dissection of an 84-year-old male donor. An anomalous common trunk, originating from the common hepatic artery, gave rise to three branches: 1) an accessory posterior pancreaticoduodenal artery to the head of the pancreas and adjacent duodenum, 2) the dorsal pancreatic artery anastomosing with branches of the splenic artery, and 3) the LCA. The LCA descended between the splenic vein and superior mesenteric artery to supply the left colic flexure and form a collateral route with the middle colic artery by contributing to the marginal artery of Drummond. Knowledge of this variation is clinically relevant for surgical and radiological procedures in the abdomen.
Abstract
Most variations of the abdominal blood supply are related to branching of the coeliac trunk and superior mesenteric artery. This case details a remarkable variation in the branching pattern of the left colic artery (LCA) observed during routine cadaveric dissection of an 84-year-old male donor. An anomalous common trunk, originating from the common hepatic artery, gave rise to three branches: 1) an accessory posterior pancreaticoduodenal artery to the head of the pancreas and adjacent duodenum, 2) the dorsal pancreatic artery anastomosing with branches of the splenic artery, and 3) the LCA. The LCA descended between the splenic vein and superior mesenteric artery to supply the left colic flexure and form a collateral route with the middle colic artery by contributing to the marginal artery of Drummond. Knowledge of this variation is clinically relevant for surgical and radiological procedures in the abdomen.
Keywords
left colic artery, variation, inferior mesenteric artery, coeliac trunk, common hepatic artery, anomaly, anomalous, anastomosis, collateral, colon, liver, pancreas
About this articleTitle
Rare left colic artery variation of the gut arterial system
Journal
Issue
Article type
Case report
Pages
198-204
Published online
2021-11-26
Page views
3574
Article views/downloads
1053
DOI
Pubmed
Bibliographic record
Folia Morphol 2023;82(1):198-204.
Keywords
left colic artery
variation
inferior mesenteric artery
coeliac trunk
common hepatic artery
anomaly
anomalous
anastomosis
collateral
colon
liver
pancreas
Authors
S. A. Memar
A. M. Taylor
S. Ahuja
D. T. Daly
Y. Tan
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