ArticleSurgical and radiologic anatomy : SRA2022
Anatomical variations of the branches from left colic artery and middle colic artery at splenic flexure.
Article in Surgical and radiologic anatomy : SRA, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- Can preoperative CT angiography and three-dimensional reconstruction of the mesenteric artery of the colon improve laparoscopic colectomy and postoperative rehabilitation in patients with colon cancer? A pilot randomized control study.International journal of colorectal disease · 2025Trial
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10 authors at 3 institutions in 1 country.
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Abstract
backgroundVariations of the vasculature at splenic flexure by left colic artery (LCA) and middle colic artery (MCA) remain ambiguous.
objectivesThis study aim to investigate the anatomical variations of the branches from LCA and MCA at splenic flexure area.
methodsUsing ultra-thin CT images (0.5-mm thickness), we traced LCA and MCA till their merging site with paracolic marginal arteries through maximum intensity projection (MIP) reconstruction and computed tomography angiography (3D-CTA).
resultsA total of 229 cases were retrospectively enrolled. LCA ascending branch approached upwards till the distal third of the transverse colon in 37.6%, reached the splenic flexure in 37.6%, and reached the lower descending colon in 23.1%, and absent in 1.7% of the cases. Areas supplied by MCA left branch and aMCA were 33.2%, 44.5% and 22.3% in the proximal, middle and distal third of transverse colon of the cases, respectively. The accessory MCA separately originated from the superior mesenteric artery was found in 17.9% of the cases. Mutual correlation was found that, when the LCA ascending branch supplied the distal transverse colon, MCA left branch tended to feed the proximal transverse colon; when the LCA ascending branch supplied the lower part of descending colon, MCA left branch was more likely to feed the distal third of transverse colon.
conclusionsVasculature at splenic flexure by LCA and MCA varied at specific pattern. This study could add more anatomical details for vessel management in surgeries for left-sided colon cancer.
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