Right gastric artery
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At the time the article was created Stephanie BM Tan had no recorded disclosures.
View Stephanie BM Tan's current disclosuresAt the time the article was last revised Daniel J Bell had no recorded disclosures.
View Daniel J Bell's current disclosures- Right gastric arteries
- Right gastric artery (RGA)
The right gastric artery (RGA) is a non-hepatic branch of the hepatic arteries that supplies the lesser curvature of the stomach.
Gross Anatomy
Course
The right gastric artery usually branches from one of the hepatic arteries (common, proper or left hepatic). It is the most common non-hepatic branch of the proper hepatic artery or its distal branches 4. It runs along the lesser curvature of the stomach between the two layers of the lesser omentum (hepatogastric ligament) and anastomoses end on with the left gastric artery.
Branches
The right gastric artery supplies the lesser curvature of the stomach. Its branches come off at right angles, in contrast to branches from vagal nerve trunks, which come off obliquely.
Relations
Veins of the same name accompany the arteries.
Variant anatomy
The right gastric artery has variable origins 1-3:
- proximal branches of hepatic trunk (80%)
- common hepatic artery (9-20%)
- proper hepatic artery (43-53%) (most common)
- gastroduodenal artery (3-26%)
- distal branches (20%)
- left hepatic artery (15-41%)
- right hepatic artery (2-4%)
The left and right gastric artery can be double as they run parallel along the lesser curvature of the stomach.
Quiz questions
References
- 1. Lee SW, Shinohara H, Matsuki M et-al. Preoperative simulation of vascular anatomy by three-dimensional computed tomography imaging in laparoscopic gastric cancer surgery. J Am Coll Surg. 2003;197 (6): 927-36. doi:10.1016/j.jamcollsurg.2003.07.021 - Pubmed citation
- 2. Kim HS, Kim YH. Normal Variation of Right Gastric Artery Origin on Abdominal Angiogram. J Korean Radiol Soc. 1997 Sep;37(3):443-447. doi:10.3348/jkrs.1997.37.3.443
- 3. Eckmann I, Krahn V. [Frequency of different sites of origin of the right gastric artery]. (1984) Anatomischer Anzeiger. 155 (1-5): 65-70. Pubmed
- 4. Song SY, Chung JW, Lim HG, Park JH. Nonhepatic arteries originating from the hepatic arteries: angiographic analysis in 250 patients. (2006) Journal of vascular and interventional radiology : JVIR. 17 (3): 461-9. doi:10.1097/01.rvi.0000202718.16416.18 - Pubmed
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