Ik Yong Kim1, Bo Ra Kim2, Young Wan Kim3. 1. Division of Gastrointestinal Surgery, Department of Surgery, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju-si, Wonju, Gangwon-do, 220-701, Korea. 2. Division of Gastroenterology, Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea. 3. Division of Gastrointestinal Surgery, Department of Surgery, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju-si, Wonju, Gangwon-do, 220-701, Korea. youngwkim@yonsei.ac.kr.
Abstract
PURPOSE: To compare R0 resection rates and short-term and oncologic outcomes between laparoscopy and open surgery for T4 colon cancer. METHODS: Patients with non-metastatic T4 colon cancer (n = 117) underwent treatment either through laparoscopy (n = 51) or open surgery (n = 66). Conversion to open surgery occurred in seven cases (13.7%). RESULTS: History of abdominal surgery (2.0 vs. 12.1%) and emergency operation (2.1 vs. 24.2%) were less frequent in the laparoscopy group. Conversion to open surgery occurred in seven cases (13.7%). Resection of adjacent organs was less frequently performed in the laparoscopy group (27.5 vs. 53.0%, p = .005). The mean operative time (189 vs. 210 min) and rate of 30-day postoperative complications (12 vs. 24%) were similar between the two groups. Shorter time to soft diet (7 vs. 9 days, p = .018) and hospital stay (14 vs. 18 days, p = .044) were observed in the laparoscopy group. T4b tumor was also less frequent in the laparoscopy group (3.9 vs. 18.2%, p = .018), while R0 resection rates were similar between the laparoscopy (96.1%) and open surgery group (95.5%). The mean number of lymph nodes was 22 in the laparoscopy group and 27 in the open surgery group (p = .021). No differences in 3-year overall survival rate (82.5 vs. 75.7%), recurrence-free survival rate (61.9 vs. 63.5%), and local recurrence-free survival rate (89.8 vs. 88.5%) were observed between the groups. Operation time, blood loss, 30-day complication rate, time to diet, duration of hospital stay, R0 resection rate, 3-year overall and local recurrence-free survival rates showed no difference between the converted and open surgery groups. CONCLUSIONS: Our results indicate that laparoscopy is a surgically safe and oncologically acceptable approach and thus could be considered for well-selected patients with T4 colon cancer in order to allow faster short-term recovery.
PURPOSE: To compare R0 resection rates and short-term and oncologic outcomes between laparoscopy and open surgery for T4 colon cancer. METHODS:Patients with non-metastatic T4 colon cancer (n = 117) underwent treatment either through laparoscopy (n = 51) or open surgery (n = 66). Conversion to open surgery occurred in seven cases (13.7%). RESULTS: History of abdominal surgery (2.0 vs. 12.1%) and emergency operation (2.1 vs. 24.2%) were less frequent in the laparoscopy group. Conversion to open surgery occurred in seven cases (13.7%). Resection of adjacent organs was less frequently performed in the laparoscopy group (27.5 vs. 53.0%, p = .005). The mean operative time (189 vs. 210 min) and rate of 30-day postoperative complications (12 vs. 24%) were similar between the two groups. Shorter time to soft diet (7 vs. 9 days, p = .018) and hospital stay (14 vs. 18 days, p = .044) were observed in the laparoscopy group. T4b tumor was also less frequent in the laparoscopy group (3.9 vs. 18.2%, p = .018), while R0 resection rates were similar between the laparoscopy (96.1%) and open surgery group (95.5%). The mean number of lymph nodes was 22 in the laparoscopy group and 27 in the open surgery group (p = .021). No differences in 3-year overall survival rate (82.5 vs. 75.7%), recurrence-free survival rate (61.9 vs. 63.5%), and local recurrence-free survival rate (89.8 vs. 88.5%) were observed between the groups. Operation time, blood loss, 30-day complication rate, time to diet, duration of hospital stay, R0 resection rate, 3-year overall and local recurrence-free survival rates showed no difference between the converted and open surgery groups. CONCLUSIONS: Our results indicate that laparoscopy is a surgically safe and oncologically acceptable approach and thus could be considered for well-selected patients with T4 colon cancer in order to allow faster short-term recovery.
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