Introduction:

the Gastrointestinal Stroma Tumors (GIST), the neoplasia from which those stem are those of highest mesenquimatic frequency of the digestive tract, However, it represents less than 1 % of all these tumors. At present, mesenquimales name the tumors GIST CD117 positive, fusiform or epithelioid, primary of the tract gastrointestinal, epiplón, mesentery and retro-peritoneum.

Case presentation:

we introduced a 60-year-old patient that went through admittance in the Internal Medicine service due to chronic anemia and dyspepsia. To the physical examination through palpationof the abdomen, a tumor in straight hypochondrium and epigastrium is verified, notmeasurable, It is fixed, painful. Complementary tests are also performed, like abdominal echography, esophagus gastroduedenoscopy abdominal CAT and laparoscopy, showing the presence of a tumor of the bigger gastric curvature of approximately 20 cm with exofitic growth. Surgery is performed, coming true total gastrectomy, splenectomy and esofagoyeyunostomy, which have proven to be definite of morbid anatomy, as the inform discloses: Tumor of gastricwall, gastrointestinal fusocellular stroma, of potential bass. Size of the tumor 25cm. Meiotic index of 1 mitosis for 50 HPF with positive Inmunohistochemical for CD117, CD34, treatment fulfilled chemotherapy and it presents a favorable evolution.

Discussion:

the GIST symptoms are depended of the tumor size and localization. They had some types of clinical presentation such as gastric perforation or haemorrage.

Conclusion:

in the OR we found a gastrointestinal fusocelullar tumor, at the gastric wall. With very aggressive behavior.

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