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Short-term outcomes of the laparoscopic surgery for transverse colon cancer: The examination of oncologic validity and technically safety

Masanori Naito, PhD, MD, Masahiko Watanabe, PhD, MD, Takeo Sato, PhD, MD, Takatoshi Nakamura, PhD, MD, Hirohisa Miura, MD, Naoto Ogura, MD, Atsuko Tsutsui, MD, Ken Kojo, MD, Naoko Minatani, MD, Hideki Ushiku, MD

Kitasato University School of Medicine

Introduction: Laparoscopic surgery for colorectal cancer is excellent in cosmetic and minimally invasive procedure, but is the need for skillful technique. Especially, procedure for transverse colon cancer is difficult because of anatomical close to major organs and has been excluded in many randomizes control studies. We examined oncologic validity and technically safety of the laparoscopic transverse colon cancer surgery.

Methods: There were 29 patients who underwent laparoscopic colectomy and 25 patients who were performed open surgery for transverse colon cancer from January 2006 to December 2011. We performed partial resection of transverse colon (TR) or right hemicolectomy (RHC) or left hemicolectomy (LHC) to differences of tumor location. All cases underwent operation by 5 or 6 ports. We examined operation times, blood loss, harvested lymph nodes and postoperative morbidity between laparoscopic surgery and open surgery.

Results: In laparoscopic surgery, the types of operation performed included 16 patients TR, 8 RHC or extended RHC and 5 LHC. The distribution of tumor factor according to TNM classification was until T2 in 21 patients (72.4%) and over T3 in 8 patients (27.6%). The average operating time and blood loss were 224.0±73.4 minutes and 66.7±73.4 ml, respectively. The harvested lymph nodes was 11.8±10.5. The postoperative morbidity rate was 17.2% (bowel obstruction in 3, anastomotic leakage in 1, surgical site infection in 1). In open surgery, the types of operation performed included 9 patients TR, 12 RHC or extended RHC and 4 LHC. The distribution of tumor factor according to TNM classification was until T2 in 9 patients (36.0%) and over T3 in 16 patients (64.0%). The average operating time and blood loss were 217.6±69.4 minutes and 219.2±149.2 ml, respectively. The harvested lymph nodes was 24.0±19.1. The postoperative morbidity rate was 28.0% (bowel obstruction in 5, surgical site infection in 2).

Conclusions: The average blood loss and morbidity rate reduced in laparoscopic surgery. In this examination, we have shown that laparoscopic surgery is validity and safety for early transverse colon cancer.


Session: Poster Presentation

Program Number: P067

173

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