Tabriz University of Medical Sciences Medical Journal of Tabriz University of Medical Sciences 2783-2031 35 3 2013 08 05 Case Report of a Patient with Gasterointestinal Stromal Tumor of the Stomach Mesentery (with Brief Review) 98 103 EN Mahmud Baghbanian Ali Baghbanian Mohamad Zare Fariba Binesh Journal Article 2012 11 20 2013 01 02 Gasterointestinal Stromal Tumor (GIST) is a mesenchimal tumor. Mostly originate from stomach however small intestine, esophagus, colon, and rectum are another sits of tumor growth. Rarely it originate in extra intestinal sites such as the omentum, mesenteries, or retro peritoneum. They are often asymptomatic and are detected as an incidental finding or after evaluation of nonspecific symptoms .However this tumor can present as a palpable abdominal mass, with abdominal pain and or gastrointestinal bleeding. In this manuscript we represent a patient with GIST of the stomach mesentery.