• Goutaro Katsuno, Masaki Fukunaga, Kunihiko Nagakari, Seichiro Yoshikawa, Masakazu Ouchi, and Yoshinori Hirasaki.
• Department of Surgery, Juntendo Urayasu Hospital, Juntendo University, Tomioka, Urayasu, Japan. gkatsuno4596@sd5.so-net.ne.jp
• Dis. Colon Rectum. 2011 Jun 1;54(6):705-10.

BackgroundTransumbilical single-port surgery has been developed with the aim to further reduce the invasiveness of conventional laparoscopy.ObjectiveThis study aimed to report our experience with 31 patients who were treated with transumbilical single-incision laparoscopic colectomy for colon cancer.DesignThis is a retrospective review of prospectively gathered data.SettingsThis study was conducted at the Department of Surgery of Juntendo University Urayasu Hospital between April 2009 and April 2010. Data were obtained from a prospectively maintained single-institution laparoscopic colon cancer database.PatientsThirty-one consecutively selected patients (mean BMI, 22.5 ± 2.3) were evaluated.InterventionsAll patients underwent single-incision laparoscopic colectomy for colon cancer. Two different approaches were used for single-incision laparoscopic colectomy: the trocar insertion method and the SILS port method. The trocar insertion method was adopted in 22 of 31 patients, and the SILS port method was used in 9 patients.Main Outcome MeasuresThe main measures of outcomes were intraoperative findings, postoperative course, and oncological outcomes.ResultsThe most common procedure was sigmoid colon resection performed in 12 of 31 (39%) patients. The mean skin incision was 2.72 ± 0.79 (range, 3-5) cm. The operating time ranged from 101 to 263 (mean, 156 ± 45) minutes. The volume of bleeding ranged from 5 to 60 (mean, 27 ± 19) mL. No intraoperative complications were observed in this series. Postoperatively, there was no mortality. Wound infection was observed in 1 patient. The number of harvested lymph nodes was 18 ± 2.1, and the mean tumor-free resection margin was 11 ± 4.8 cm.ConclusionOur experience indicates that single-incision laparoscopic colectomy is feasible for selected patients with colon cancer.

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