title: Laparoscopic Surgery In The Treatment of Gastrointestinal Stromal Tumors.
abstract: OBJECTIVE
  Gastrointestinal stromal tumors are rare neoplasms of the gastrointestinal tract. These lesions are characterized by different levels of malignancy. Only radical surgery offers a chance of curing the disease. The aim of this study is to present the results of gastrointestinal stromal tumor treatment with minimally invasive surgery.
  
  
  METHODS
  The study group included 27 patients operated laparoscopically on for gastrointestinal stromal tumor with laparoscopic surgery between September 2009 and December 2013. The most common location of the tumor was the stomach (21 patients, 77.8%) and the small intestine (4 patients, 14.8%). We analyzed early surgery results, the number and character of complications, lengths of hospital stays, histological types of the removed tumors, and long-term results of treatment.
  
  
  RESULTS
  There was no need for conversion to open surgery in any patient from the study group. Post-surgery complications occurred in 2 patients (7.4%). The median duration of the hospital stay was 4.5 days; none of the patients had to be readmitted to the hospital in the first 30 days after the procedure. In 26 out of 27 patients, microscopic examination confirmed the radicality of the surgical procedure (R0 resection). The mean size of the removed lesions was 4.1 cm. Using the Joensuu malignancy classification model, it was established that in 6 (22.2%) patients gastrointestinal stromal tumor was characterized by a very low level of malignancy, in 11 patients (40.7%) a low level, in 4 (14.9%) a medium level, and in 6 (22.2%) a high level. The average duration of follow-up was 13 months. During the observation period, there was no recurrence of the disease.
  
  
  CONCLUSIONS
  Minimally invasive surgery in the treatment of gastrointestinal stromal tumors is possible and allows for satisfactory results both in terms of the postoperative course and the oncological quality of the procedure.
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland maciej.matlok@uj.edu.pl.
authors.forename: M
authors.initials: M
authors.lastname: Matlok
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland.
authors.forename: M
authors.initials: M
authors.lastname: Stanek
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland.
authors.forename: M
authors.initials: M
authors.lastname: Pedziwiatr
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland.
authors.forename: P
authors.initials: P
authors.lastname: Major
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland.
authors.forename: J
authors.initials: J
authors.lastname: Kulawik
authors.affiliation: Second Department of General Surgery, Department of Endoscopic, Metabolic and Soft Tissue Tumor Surgery, Jagiellonian University - Medical College, Kraków, Poland.
authors.forename: P
authors.initials: P
authors.lastname: Budzynski
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000473:pathology / Q000601:surgery*; D046152:Gastrointestinal Stromal Tumors / Q000473:pathology / Q000601:surgery*; D006801:Humans; D010535:Laparoscopy; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D016896:Treatment Outcome; D047368:Tumor Burden
keywords: Laparoscopy; gastrointestinal neoplasms; gastrointestinal stromal tumors; general surgery