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      Computed Tomography Angiography of Gastrocolic Vein Trunk by Morphological Filtering Technique in Right Colon Cancer

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          Abstract

          Background

          This study was to evaluate CT vein image segmentation and three-dimensional imaging in the anatomical structure of gastrocolic venous trunk before operation for colon cancer.

          Methods

          CT scanning images by Philips Brilliance CT 256CT scanner. Vein position was segmented and calculated by grey value through algorithm flow. Intensity measurement of selected image area by a calculate through noise cancellation and missing pixel filling, based on numerical morphology.

          Results

          The direction of the right colonic vein could be clearly displayed in all 96 patients by morphological filtering technique. Among these patients, there were 78 patients with gastrocolic vein trunk, with an occurrence rate of 81.25%. According to the classification of GVT, there were 36 cases of type A (46.2%), 22 cases of type B (28.2%), 12 cases of type C (15.4%) and 6 cases of type D (7.7%).

          Conclusion

          CT vein image segmentation and three-dimensional imaging can effectively evaluate the anatomical variation of gastrocolic vein trunk before operation, which is helpful for operators to correctly understand its anatomical structure and choose a reasonable anatomical approach.

          Most cited references19

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          Complete mesocolic excision with central vascular ligation produces an oncologically superior specimen compared with standard surgery for carcinoma of the colon.

          The plane of surgery in colonic cancer has been linked to patient outcome although the optimal extent of mesenteric resection is still unclear. Surgeons in Erlangen, Germany, routinely perform complete mesocolic excision (CME) with central vascular ligation (CVL) and report 5-year survivals of higher than 89%. We aimed to further investigate the importance of CME and CVL surgery for colonic cancer by comparison with a series of standard specimens. The fresh photographs of 49 CME and CVL specimens from Erlangen and 40 standard specimens from Leeds, United Kingdom, for primary colonic adenocarcinoma were collected. Precise tissue morphometry and grading of the plane of surgery were performed before comparison to histopathologic variables. CME and CVL surgery removed more tissue compared with standard surgery in terms of the distance between the tumor and the high vascular tie (median, 131 v 90 mm; P < .0001), the length of large bowel (median, 314 v 206 mm; P < .0001), and ileum removed (median, 83 v 63 mm; P = .003), and the area of mesentery (19,657 v 11,829 mm(2); P < .0001). In addition, CME and CVL surgery was associated with more mesocolic plane resections (92% v 40%; P < .0001) and a greater lymph node yield (median, 30 v 18; P < .0001). Surgeons in Erlangen routinely practicing CME and CVL surgery remove more mesocolon and are more likely to resect in the mesocolic plane when compared with standard excisions. This, along with the associated greater lymph node yield, may partially explain the high 5-year survival rates reported in Erlangen.
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            Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer.

            This study evaluated the venous variations of the right colon using preoperative three-dimensional computed tomography (3D-CT), and to investigate its usefulness in laparoscopic complete mesocolic excision (CME) for right colon cancer.
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              Anatomic study of the superior right colic vein: its relevance to pancreatic and colonic surgery.

              This study was designed to describe the precise anatomic venous tributaries of the superior mesenteric vein with special emphasis on the superior right colic vein (SRCV), which is seldom mentioned in the literature.
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                Author and article information

                Journal
                Ther Clin Risk Manag
                Ther Clin Risk Manag
                tcrm
                tcriskman
                Therapeutics and Clinical Risk Management
                Dove
                1176-6336
                1178-203X
                06 January 2021
                2021
                : 17
                : 1-7
                Affiliations
                [1 ]Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University , Shanghai, People’s Republic of China
                [2 ]Department of Radiology, Renji Hospital, School of Medicine Shanghai Jiao Tong University , Shanghai, People’s Republic of China
                [3 ]School of Electronic Information and Electronic Engineering, Shanghai Jiao Tong University , Shanghai, People’s Republic of China
                Author notes
                Correspondence: Qing Xu Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University , Shanghai, People’s Republic of China Email renjixuqing@163.com
                [*]

                These authors contributed equally to this work

                Article
                282504
                10.2147/TCRM.S282504
                7797330
                6a8bc6f6-c2fe-49de-8a57-67b79eef0acd
                © 2021 Gu et al.

                This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms ( https://www.dovepress.com/terms.php).

                History
                : 25 September 2020
                : 03 December 2020
                Page count
                Figures: 6, References: 20, Pages: 7
                Funding
                Funded by: Shanghai Jiao Tong University, open-funder-registry 10.13039/501100004921;
                This work was supported by Research Fund for medical engineering cross project of Shanghai Jiao Tong University (ZH2018ZDA08).
                Categories
                Original Research

                Medicine
                colon cancer,computed tomography angiography,three-dimensional reconstruction,gastrocolic vein trunk,morphological filtering technique

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