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AIM: The aim of this study is to investigate whether organ preserving gastrectomy (OPG) would yield a greater ability
to save more tissue and functions of the stomach and eventually provide better quality of postoperative life (QoPL) for
patients with primary gastric gastroinstestinal stromal tumor (PG-GIST).
MATERIAL AND METHODS: A retrospective analysis of 23 consecutive patients with PG-GIST who underwent laparoscopic
conventional surgery and OPG from June 2008 to December 2016 was performed. Gastrointestinal quality of life index
(GIQLI), the area of tumor-free tissue (TFT), body mass index, and postoperative complications were recorded.
RESULTS: Both first- and sixth-month GIQLI scores (mean = 105.4 ± 9.5 and 117.0 ± 11.1, respectively) were significantly
higher than baseline scores (mean = 100.9 ± 10.2) of the study population (z = –3.32 and –3.86,
p = 0.001 and 0.0001, respectively). GIQLI scores were inversely related to TFT area (r = –0.635, p = 0.001). Linear
regression analysis revealed 0.130 decrease in GIQLI scores at 6 months each cm2 of removed TFT area.
Conclusion: Laparoscopic OPG seems to be useful in terms of oncologic safety, minimizing the excessive resection of TFT
and maximizing the gastric remnant, thereby improving the QoPL of the patients.