ArticleThe Journal of international medical research2022
Anatomic variations of the anterosuperior pancreaticoduodenal veins encountered during laparoscopic right hemicolectomy: a retrospective single-center analysis.
Article in The Journal of international medical research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
objectiveThe vascular anatomic variations of the right colon present a challenge for colorectal surgeons. However, there have been few detailed studies of the variations in the anterosuperior pancreaticoduodenal vein (ASPDV).
methodsWe studied consecutive patients with right colon cancer who underwent laparoscopic right hemicolectomy at Peking University First Hospital (N = 117) between January 2018 and June 2021.
resultsThe variations in the ASPDV were classified as type I (n = 101, (86.3%)), defined as ASPDVs draining into the gastrocolic trunk of Henle (GCT); type II (n = 10, (8.5%)), defined as ASPDVs draining into the superior mesenteric vein (SMV); or type III, defined as ASPDVs draining into both the GCT and SMV. For type I, subtypes were defined according to the branching of the ASPDVs: subtype a, with one branch (n = 87, (86.1%)); subtype b, with two branches (n = 12, (11.9%)); and subtype c, with more than two branches (n = 2, (2.0%)). Type I was also subtyped according to the confluence of the ASPDV and GCT, with subtype 1 being defined by a proximal site (n = 96, 95%) and subtype 2 by a distal site (n = 5, 5.0%).
conclusionsWe have characterized the variations in ASPDVs encountered during laparoscopic right hemicolectomy, which should provide a reference for colorectal surgeons.
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