Gastrointestinal stromal tumors (GIST) are mesenchymal gut tumors that lack markers of myogenic differentiation, but express CD34 and CD117, which are products of the c-kit oncogene. They present commonly gastrointestinal bleeding and abdominal pain and/or palpable mass. The other symptoms may include anorexia, weight loss, obstruction, perforation or fever. Fever due to abscess formation is rare complaint of GIST.
We report a case of GIST of stomach with abscess and gastric fistula in a 54-year-old male who presented a three-week history of abdominal pain and fever. Fistula opening site was observed by endoscope, and abdominal CT showed multiple air pockets within the mass representing communication with bowel lumen by fistula. (Korean J Gastrointest Endosc 2003;26:210213)
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