胃肠道间质瘤 (gastrointestinalstromaltumor,GIST)的概念是 1983年由Mazur和Clark引入的 ,在此以前常将其误诊为平滑肌及神经纤维肿瘤。目前由于免疫组化技术的普及 ,对GIST的诊断已无太大的困难 ,关键在于良、恶性的判定。由于没有一个较为明确的指标 ,GIST良、恶性的判定需 The concept of gastrointestinal stromal tumor (GIST) was introduced by Mazur and Clark in 1983 and was misdiagnosed here as a smooth muscle and neurofibroma tumor. At present, due to the popularity of immunohistochemical techniques, the diagnosis of GIST is no longer much difficulty, the key lies in the good and bad judgments. In the absence of a more specific indicator of GIST, both good and bad decisions need to be made