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Treatment Results of Small Intestinal Gastrointestinal Stromal Tumors Less than 10 cm in Diameter: A Comparison between Laparoscopy and Open Surgery

  • Ihn, Kyong (Department of Surgery, Yonsei University College of Medicine) ;
  • Hyung, Woo Jin (Department of Surgery, Yonsei University College of Medicine) ;
  • Kim, Hyoung-Il (Department of Surgery, Yonsei University College of Medicine) ;
  • An, Ji Yeong (Department of Surgery, Yonsei University College of Medicine) ;
  • Kim, Jong Won (Department of Surgery, Yonsei University College of Medicine) ;
  • Cheong, Jae-Ho (Department of Surgery, Yonsei University College of Medicine) ;
  • Yoon, Dong Sup (Department of Surgery, Yonsei University College of Medicine) ;
  • Choi, Seung Ho (Department of Surgery, Yonsei University College of Medicine) ;
  • Noh, Sung Hoon (Department of Surgery, Yonsei University College of Medicine)
  • Received : 2012.10.12
  • Accepted : 2012.10.18
  • Published : 2012.12.31

Abstract

Purpose: To evaluate the technical feasibility and oncologic safety, we assessed the short-term and long-term outcomes of laparoscopic resection of the small bowel gastrointestinal stromal tumors smaller than 5 cm by comparing those of open surgery by subgroup analysis based on tumor size. Materials and Methods: From November 1993 to January 2011, 41 laparoscopic resections were performed among the 95 patients who underwent resection of small intestine ${\leq}10$ cm in diameter. The clinicopathologic features, perioperative outcomes, recurrences and survival of these patients were reviewed. Results: The postoperative morbidity rates were comparable between the 2 groups. Laparoscopic surgery group showed significantly shorter operative time (P=0.004) and duration of postoperative hospital stay (P<0.001) than open surgery group and it was more apparent in the smaller tumor size group. There were no difference in 5-year survival for the laparoscopic surgery versus open surgery groups (P=0.163), and in 5-year recurrence-free survival (P=0.262). The subgroup analysis by 5 cm in tumor size also shows no remarkable differences in 5-year survival and recurrence-free survival. Conclusions: Laparoscopic resection for small bowel gastrointestinal stromal tumors of size less than 10 cm has favorable short-term postoperative outcomes, while achieving comparable oncologic results compared with open surgery. Thus, laparoscopic approach can be recommended as a treatment modality for patients with small bowel gastrointestinal stromal tumors less than 10 cm in diameter.

Keywords

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