胃肠道间质瘤(gastrointestinal stromal tumors,GIST)是源于胃肠道间质细胞的肿瘤,多由c-kit基因突变引起;细胞形态呈梭形或上皮样;表达kit蛋白,免疫组化特异性CD117阳性;手术切除后易复发和转移,传统放疗和化疗效果差。虽然是消化道的少见肿瘤,但是随着诊断标准的明确,GIST病 Gastrointestinal stromal tumors (GISTs) originate from gastrointestinal stromal cells and are mostly caused by mutation of c-kit gene. The cell morphology is fusiform or epithelial-like. Expression of kit protein, immunohistochemistry Specific CD117 positive; easy to relapse and metastasis after resection, the traditional radiotherapy and chemotherapy poor. Although a rare cancer of the digestive tract, but with the diagnosis of a clear, GIST disease