胃肠道间质细胞瘤(GISTs)是一种发生于消化道的少见的肿瘤,我们于2009年7月至2009年11月使用甲磺酸伊马替尼治疗2例晚期小肠间质细胞瘤,效果良好,报告如下。1病例报告例1,女性,69岁。4年前无明显诱因出现下腹部胀痛,伴 Gastrointestinal stromal tumors (GISTs), a rare tumor in the digestive tract, were treated with imatinib mesylate from July 2009 to November 2009 in 2 patients with advanced small intestinal mesenchymoma , The effect is good, the report is as follows. 1 case report 1, female, 69 years old. 4 years ago, no obvious incentive to lower abdominal pain, accompanied