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Application of three-dimensional visualization technique in laparoscopic D3 radical resection of right colon cancer / 南方医科大学学报
Journal of Southern Medical University ; (12): 760-765, 2022.
Article in Chinese | WPRIM | ID: wpr-936374
ABSTRACT
OBJECTIVE@#To explore the clinical value of three-dimensional (3D) visualization technique in laparoscopic D3 radical resection of right colon cancer.@*METHODS@#We retrospectively analyzed the clinical data of 73 patients with right colon cancer undergoing laparoscopic D3 radical operation in our hospital between May, 2019 and March, 2021. Among these patients, 41 underwent enhanced CT examination with 3D visualization reconstruction to guide the actual operation, and 32 underwent enhanced CT examination only before the operation (control group). In 3D visualization group, we examined the coincidence rate between the 3D visualization model and the findings in surgical exploration of the anatomy and variations of the main blood vessels, supplying vessels of the tumor, and the tumor location, and the coincidence rate between the actual surgical plan for D3 radical resection of right colon cancer and the plan formulated based on the 3D model. The operative time, estimated blood loss, unexpected injury of blood vessels, number of harvested lymph nodes, mean time of the first flatus, complications, postoperative hospital stay and postoperative drainage volume were compared between the two groups.@*RESULTS@#The operative time was significantly shorter in 3D visualization group than in the control group (P < 0.05). The volume of blood loss, proportion of unexpected injury of blood vessel, the number of harvested lymph nodes, time of the first flatus, proportion of complications, postoperative hospital stay and postoperative drainage volume did not differ significantly between the two groups (P > 0.05). In the 3D visualization group, the 3D visualization model clearly displayed the shape and direction of the colon, the location of the tumor, the anatomy and variation of the main blood vessels and the blood vessels supplying the cancer, and showed a coincidence rate of 100% with the findings by surgical exploration. The surgical plan for D3 radical resection of right colon cancer was formulated based on the 3D model also showed a coincidence rate of 100% with the actual surgical plan.@*CONCLUSION@#The 3D visualization reconstruction technique allows clear visualization the supplying arteries of the tumor and their variations to improve the efficiency, safety and accuracy of laparoscopic D3 radical resection of right colon cancer.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Postoperative Complications / Retrospective Studies / Treatment Outcome / Laparoscopy / Colonic Neoplasms / Imaging, Three-Dimensional / Flatulence / Lymph Node Excision Type of study: Observational study / Prognostic study Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Postoperative Complications / Retrospective Studies / Treatment Outcome / Laparoscopy / Colonic Neoplasms / Imaging, Three-Dimensional / Flatulence / Lymph Node Excision Type of study: Observational study / Prognostic study Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2022 Type: Article