Gastrointestinal stromal tumors (GISTs). Single center experience observed in a small series of cases [Tumores del estroma gastrointestinal (GISTs). Experiencia de un centro único en una serie de casos]
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Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms developing in the stomach. Usually detected incidentally, they can be single or multiple. The aim of this study is to report the results of surgery in the treatment of GISTs in terms of postoperative morbidity (POM) and recurrence. Case series. Patients surgically treated by GISTs at the Clínica Mayor of Temuco, Chile, between 2008 and 2015 were included. The preoperative study consisted in general diagnostic tests, endoscopy and abdominal CT-Scan. The outcome variable was POM, measured at 30 days postoperatively. Other variables of interest were: surgical time, hospital stay, mortality and recurrence. Minimum follow-up time was 12 months. Descriptive statistics were used. Four patients with GISTs were operated in the study period. Median age was 67 years, and 50 % of the patients were female. The median time of symptoms was 6 months. Excision of the lesion was performed in all cases with a median surgical time of 129 min. POM was 25 % (one case developed a seroma of the surgical wound), grade I of Clavien & Dindo proposal. Hospital stay was 4 day in all cases and no operative mortality was reported. With a median follow-up of 24 months there was not evidenced of recurrence. Although the results were positive, it is worth mentioning that this was a very small number of cases, therefore, they should be considered with caution. © 2016, Universidad de la Frontera. All rights reserved.
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