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Volume 31 Issue 2
Mar.  2022
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SUN F R, PAN Z L. Study on multi-slice spiral CT enhanced scanning of accessory middle colonic artery in normal population[J]. CT Theory and Applications, 2022, 31(2): 195-202. DOI: 10.15953/j.ctta.2021.011. (in Chinese).
Citation: SUN F R, PAN Z L. Study on multi-slice spiral CT enhanced scanning of accessory middle colonic artery in normal population[J]. CT Theory and Applications, 2022, 31(2): 195-202. DOI: 10.15953/j.ctta.2021.011. (in Chinese).
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Study on Multi-slice Spiral CT Enhanced Scanning of Accessory Middle Colonic Artery in Normal Population

  • Department of Radiology, Ruijin Hospital Shanghai Jiaotong University School of Medicine, Shanghai 201801, China

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  • Received Date: October 05, 2021
  • Available Online: November 04, 2021
  • Published Date: March 31, 2022
    Graphical Abstract
    • Abstract
  • Objective: To evaluate the incidence and patterns of AMCA amony normal population. Methods: 331 cases of normal people who underwent Abdomen & Pelvis enhanced CT scan in RuiJin Hospital North Area from January, 2021 to June, 2021 were retrospectively collected for the present study and 97 cases were found to have got AMCA. Multiplanar reconstruction was performed on the original images of venous phase to record how the AMCA originated and the adjacency relationship between the accompanying veins and pancreas. The diameter of AMCA starting point and the distance to the nearest point of pancreas were also measured. Results: The incidence of AMCA was 29.3％ (97/331). Among the 97 cases, 66.0％ (64/97) occurred in superior mesenteric artery, 17.5％ (17/97) occurred in inferior mesenteric artery and 6.5％(16/97) occurred in inferior pancreaticoduodenal artery. The average diameter of AMCA was (2.0±0.24)mm, the minimum distance to pancreas was (2.1±1.4)mm. Accompanying vein was observed in all the 97 AMCA cases, 72.2％ (70/97) converged towards inferior mesenteric vein, 20.6％ (20/97) converged towards superior mesenteric vein, 6.2％ (6/97) converged towards splenic vein, and 1％ (1/97) converged towards jejunal vein. Conclusion: Multi-slice spiral CT contrast enhancement scan can clearly show the origin and the adjacency relationship between the accompanying veins and pancreas of ACMA. It can provide accurate evaluation of blood vessels before operation.
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    • References (13)
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