Strategy of Surgery for Laterally Spreading Tumor Heita Ozawa 1 , Yukihito Kokuba 1 , Kazuhiko Hatate 1 , Wataru Onosato 1 , Masahiko Watanabe 1 1Department of Surgery, Kitasato University School of Medicine Keyword: LST , LAC , TEM , TAR , 低侵襲手術 pp.1812-1818
Published Date 2005/12/25
DOI https://doi.org/10.11477/mf.1403100184
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 Laterally spreading tumor can be treated by endoscopic or surgical resection. Endoscopic resection includes polypectomy, endoscopic mucosal resection (EMR), and endoscopic piecemeal mucosal resection (EPMR). Recent developments in minimally invasive surgery have made colorectal surgery procedures, such as laparoscopic-assisted colectomy (LAC), transanal endoscopic microsurgery (TEM) and transanal tumor resection (TAR), attractive alternatives to open colectomy (OC). The safety and feasibility of LAC, TEM and TAR have been demonstrated, and benefits such as reduced postoperative pain, blood loss and hospital stay have been reported. These surgical methods have been recognized as standard therapy for early colorectal cancer, but determination of effective operative procedures is indispensable for safe and successful operations. Perioperative stress must be minimized using techniques such as preoperative bowel preparation, marking of lesions, and determination of operative position. In addition, avoiding complications is central to realizing the benefits of minimally invasive surgery. In this regard, the potential advantages of these surgical methods can be more precisely defined. In conclusion, LAC, TEM and TAR have potential for playing a key role in the treatment of LST.

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