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胃肠道间质瘤尽管发病率并不高,每年新发病例数仅为1.5/10万～2.0/10万,但却是原发于胃肠道的肉瘤中最常见的一种类型,也是目前发现对靶向治疗药物效果最好的一种肉瘤。胃肠道间质瘤主要好发于胃和小肠,仅有约10%的病例发生于直肠、食管、肠系膜或腹膜后等其他部位,其中,原发于胃的病例治疗效果最好。胃肠道间质瘤的早期信号胃肠道间质瘤最常见的首发症状是消化道出血,患者通常会因为贫血的症状而来院就诊,如头晕、乏力或黑便等,也有些患者会因为腹痛、吞咽困难或自己摸到腹部肿
Although the incidence of gastrointestinal stromal tumors is not high, the number of new cases per year is only 1.5 / 100 000 to 2.0 / 100 000, but it is the most common type of sarcoma in the gastrointestinal tract, is also A sarcoma that has been found to be the best for targeted therapy is currently found. Gastrointestinal stromal tumors mainly occur in the stomach and small intestine, and only about 10% of cases occur in the rectum, esophagus, mesentery, or retroperitoneum, and other parts, of which the primary case of the stomach is the best. Early signs of gastrointestinal stromal tumors The most common first symptom of gastrointestinal stromal tumors is gastrointestinal bleeding. Patients often come to hospital for symptoms of anemia, such as dizziness, fatigue or melena, and some patients may Abdominal pain, difficulty swallowing, or touching the abdomen