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Complete laparoscopic surgery for early colorectal cancer after endoscopic resection

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Abstract
Introduction

Laparoscopic‐assisted colorectal surgery requires a mini‐laparotomy to extract the specimen and insert the anvil head of the circular stapler into the proximal colon. However, such a mini‐laparotomy occasionally causes local pain and surgical‐site infection. To avoid mini‐laparotomy, we invented a new laparoscopic technique, complete laparoscopic surgery for colorectal cancer.
Materials and Surgical Technique

Sigmoid colon or rectal cancer patients who had undergone colonoscopic excision for T1 cancer and subsequently required bowel resection due to unfavorable histology were recruited. This new procedure used both the double stapling technique and the rectal‐prolapsing technique, where the anvil was transanally inserted into the proximal colon and bowel resection was extracorporeally performed after pulling out the colon–rectum via the anus.
Discussion

This procedure was attempted in 17 patients and successfully achieved in 13 patients. Total laparoscopic colorectal surgery has some problems such as bacterial contamination or infection, as well as dissemination caused by intraluminal exfoliated cancer cells. This procedure is limited to post‐endoscopic resection patients who are suited for reconstruction by double stapling technique, and it may be impossible in patients with thick mesentery or anal stenosis. Moreover, this method resolves issues of peritoneal contamination and dissemination. However, a new protection method for implantation of exfoliated cancer cells needs to be established, so that complete laparoscopic surgery can be employed in patients with small cancers.
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Document Type: Research Article

Publication date: November 1, 2013

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