Purpose: The aim of this study was to compare the outcomes of laparoscopic surgery with those of open resection in patients with extraperitoneal rectal cancer.
Methods: Five hundred forty-four patients with extraperitoneal rectal cancer who underwent curative resection between 1996 and 2007 were included. Patients were divided into a laparoscopic surgery group (LAP, n = 170) and an open surgery group (OPEN, n = 374).
Results: Morbidity requiring surgical correction was 5.8% in the LAP group and 4.8% in the OPEN group (p = 0.75). The anastomotic leakage rate was similar in both groups (5.7% in both; p = 0.98). Differences were found in preoperative carcinoembryonic antigen (CEA) (LAP group 4.6 ng/ml, OPEN group 7.7 ng/ml, p = 0.001), sphincter preservation (LAP group 82.9%, OPEN group 69.8%, p = 0.001), and mean distance from anal verge (LAP group 4.6 cm, OPEN group 5.2 cm, p = 0.002). Local recurrence and metastasis were similar by stage.
Conclusions: The results of this study show that laparoscopic resection of extraperitoneal rectal cancer was safe and effective.
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