Background and Aim: The incidence of cancer colon below the age of 50 has increased dramatically. in addition, the database lacks a review to analyze the outcomes of surgeries for mid-transverse colon cancer with several recent controversial studies. Our aim was to compare the outcomes of extended hemicolectomy versus transverse colectomy for mid-transverse colon cancer. Method: PubMed, Scopes, Web of Science and Cochrane library were searched for eligible studies from inception to 1 May 2022 and a systematic review and meta-analysis were done to detect Results: according to eligibility criteria 8 studies (2237 patients) were included in our study. The pooled results of the included studies showed no difference in the 5-year OS, 3-year DFS and 5-year DFS between the two types of surgery (5-year OS, RR = 1.15, 95% CI = 0.94-1.39, P = 0.17), (3-year OS, RR = 0.96, 95% CI = 0.88-1.06, P = 0.42) and (5-year DFS, RR = 1.21, 95% CI = 0.91-1.62, P = 0.20). In addition to that, the recurrence rate and the incidence of complications were similar in the two groups (Recurrence rate, RR = 1.08, 95% CI = 0.62-1.89, P = 0.79) and (Complications, RR = 1.07, 95% CI = 0.74-1.54, P =0.72). however, the number of LN harvest and the time of the operation was more in case of extended hemicolectomy. Conclusion: Despite harvesting less LN, transverse colectomy has similar oncological outcomes to extended hemicolectomy for mid-transverse colon cancer. Moreover, no significant difference in the incidence of complications.
Beshoy Effat Elkomosis having 3 years experience as a surgical resident the at general surgery department, Ain sham university hospital. He is currently working at the general and emergency department, Northwick park hospital, LNWH NHS
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