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目的是评价改进了的ＣＴ扫描及准备方法在消化道疾病的诊断中所起的作用及其指导治疗和判断预后的深远意义。材料和方法采用特定的肠道准备方法，应用改良后的扫描技术，与消化道钡餐透视及其消化道内窥镜检查结果相对比，对３２例患有消化道疾病的患者进行认真研究，全部结果经病理和临床证实。结果根据Ｄｕｋｅｓ改良分期法。所有肿瘤患者均为Ⅱ期或Ⅱ期以上。诊断中有４例误诊，定性诊断的正确率为８７．５％，所有病灶的检出率为１００％。结论是对于胃肠道疾病，ＣＴ检查是一种先进的且比较科学的检查方法。影像表现与病理及外科所见之间有良好的相关性。因此，ＣＴ以其特有的方便快捷，无痛苦，显示清晰准确等众多优点，将会更广泛的应用于消化道疾病中。
The purpose is to evaluate the role of improved CT scanning and preparation methods in the diagnosis of digestive diseases and their far-reaching implications for guiding treatment and prognosis. MATERIALS AND METHODS Using a specific gut preparation method, 32 patients with digestive tract diseases were carefully studied using improved scanning techniques in comparison with the barium meal digestive system and their gastrointestinal endoscopy findings. All results Pathologically and clinically confirmed. Results according to Dukes improved staging method. All patients with cancer are stage Ⅱ or more. Four cases were misdiagnosed, the correct rate of qualitative diagnosis was 87.5%, and the detection rate of all lesions was 100%. The conclusion is that for the gastrointestinal diseases, CT examination is an advanced and more scientific method of examination. There is a good correlation between imaging findings and pathology and surgical findings. Therefore, CT with its many advantages such as convenient and quick, painless, clear and accurate display, will be more widely used in gastrointestinal diseases.