Updated: 8/3/2020

Celiac Trunk

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Key Images
https://upload.medbullets.com/topic/110010/images/celiac_trunk.jpg
Overview

  • Celiac trunk
    • originates from the abdominal aorta at the level of the aortic hiatus (T12)
    • branches of celiac trunk
      • comprise main blood supply of stomach
        • common hepatic artery
        • splenic artery
          • supplies the spleen and is the source of bleeding with splenic injury
            • spleen is most commonly injured organ after blunt trauma 
            • can result in hemodynamic instability
        • left gastric artery
  • Anastomoses
    • short gastric arteries
      • branches of splenic artery that supply fundus of stomach
      • anastomose poorly if splenic artery blocked
    • gastroepiploic arteries
      • left gastroepiploic artery is a branch of splenic artery
      • right gastroepiploic artery is a branch of gastroduodenal artery
      • both run along and supply greater curvature of stomach and anastomose strongly
    • gastric arteries
      • left gastric artery is a branch of celiac trunk
      • right gastric artery is a branch of hepatic artery proper
      • both run along and supply lesser curvature of stomach and anastomose strongly

 

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Questions (4)
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(M1.GI.17.4751) A 46-year-old male presents in consultation for weight loss surgery. He is 6’0” and weighs 300 pounds. He has tried multiple dietary and exercise regimens but has been unsuccessful in losing weight. The surgeon suggests a sleeve gastrectomy, a procedure that reduces the size of the stomach removing a large portion of the stomach along the middle part of the greater curvature. The surgeon anticipates having to ligate a portion of the arterial supply to this part of the stomach in order to complete the resection. Which of the following vessels gives rise to the vessel that will need to be ligated in order to complete the resection? Tested Concept

QID: 108783
1

Left gastric artery

14%

(41/287)

2

Right gastric artery

11%

(31/287)

3

Splenic artery

29%

(84/287)

4

Right gastroepiploic artery

25%

(71/287)

5

Gastroduodenal artery

15%

(43/287)

M 1 B

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