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. 2015 Dec;8(6):504-8.
doi: 10.1016/j.tranon.2015.11.008.

Comparison of Endoscopic and Open Resection for Small Gastric Gastrointestinal Stromal Tumor

Fan Feng  1 , Zhiguo Liu  1 , Xiaoyin Zhang  1 , Man Guo  1 , Guanghui Xu  1 , Gui Ren  1 , Liu Hong  1 , Li Sun  1 , Jianjun Yang  1 , Hongwei Zhang  2
Affiliations

Comparison of Endoscopic and Open Resection for Small Gastric Gastrointestinal Stromal Tumor

Fan Feng et al. Transl Oncol. 2015 Dec.

Abstract

The National Comprehensive Cancer Network recommends conservative follow-up for gastric gastrointestinal stromal tumors (GISTs) less than 2 cm. We have previously reported that the mitotic index of 22.22% of small gastric GISTs exceeded 5 per 50 high-power fields and recommended that all small gastric GISTs should be resected once diagnosed. The aim of the present study is to compare the safety and outcomes of endoscopic and open resection of small gastric GISTs. From May 2010 to March 2014, a total of 90 small gastric GIST patients were enrolled in the present study, including 40 patients who underwent surgical resection and 50 patients who underwent endoscopic resection. The clinicopathological characteristics, resection-related factors, and clinical outcomes were recorded and analyzed. The clinicopathological characteristics were comparable between the two groups except for tumor location and DOG-1 expression. Compared with the surgical resection group, the operation time was shorter (P = .000), blood loss was less (P = .000), pain intensity was lower (P < .05), duration of first flatus and defecation was shorter (P < .05), and medical cost of hospitalization was lower (P = .027) in the endoscopic resection group. The complications and postoperative hospital stay were comparable between the two groups. No in situ recurrence or liver metastasis was observed during follow-up. Endoscopic resection of small gastric GISTs is safe and feasible compared with surgical resection, although perforation could not be totally avoided during and after resection. The clinical outcome of endoscopic resection is also favorable.

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Figures

Figure 1
Figure 1
Endoscopic and surgical resection of small gastric GISTs. (A) Endoscopic view of small gastric GIST with intragastric type pattern. (B) Endoscopic resection of small gastric GIST. (C) Gastric perforation occurred during endoscopic resection. (D) Perforation was closed with clips after endoscopic resection. (E and F) Surgical resection of small gastric GISTs.
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