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Revista médica de Chile

versión impresa ISSN 0034-9887


BRAGHETTO, Italo et al. Gastrointestinal stromal tumors: Review of 15 patients. Rev. méd. Chile [online]. 2007, vol.135, n.5, pp.551-557. ISSN 0034-9887.

Background: Gastrointestinal stromal tumors (GIST) are the most common mesenchymatous tumors of the digestive tract. The pathological diagnosis is based on microscopy and immunohistochemistiy. Aim: To review the experience of our surgical unit in patients with GIST Material and methods: Review of medical records of 15 patients (aged 66+13 years, 11 women), with a pathological diagnosis of GIST, treated between 1999 and 2005. Results: The main presenting symptoms were melena in 40%, hematemesis in 20%, abdominal pain in 60% and anemia in 13%. In only one patient, the tumor appeared as an incidentaloma. All patients underwent upper gastrointestinal endoscopy A CAT scan was done in 87%, a barium swallow in 60% and a digestive endosonography in 20%. Thirteen tumors were located in the stomach and two in the small bowel. Mean tumor diameter was 5.3+1.7 cm. Surgical management was a tumor resection in 40%, a partial gastrectomy in 27%, a total gastrectomy in 20% and an intestinal excision in the rest. Mean hospital stay was 6.9+4.2 days. No postoperative complications were recorded. Conclusions: The main clinical presentation of GIST in this retrospective series was an upper gastrointestinal bleeding. Surgical treatment was devoid of complications

Palabras clave : Gastrointestinal hemorrhage.

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