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探讨CT在胃癌诊断和治疗中的价值。材料和方法：对25例术后作CT随访及56例术前经CT检查的胃癌患者资料分别进行手术近、远期疗效和手术切除率分析。另对47例胃癌CT所见进行术前手术切除可能性预测。分析同期13例胃肠道影和／或内镜未能确诊者的CT检查结果，对照手术以探讨CT对胃癌的诊断价值。结果：胃癌患者术前未经CT检查，作“手术切除可能性”预测，无选择性地手术，其切除率仅53．57％。五年生存率28．0％，且均已有远处转移灶出现。经CT预测后选择的手术者中切除率可达90．91％，CT估计准确率为90．63％。13例胃肠造影和／或内镜未能作出诊断（幽门狭窄，胃壁占位，贲门部肿块）者中，11例（胃癌3例，溃疡1例，平滑肌瘤2例，平滑肌肉瘤1例，静脉曲张2例，胃外良性肿瘤2例）由CT作出正确诊断。结论：CT在胃癌的诊断、鉴别诊断、和术前判断手术切除可能性方面有用，可作为胃癌术前常规检查技术应用。
To investigate the value of CT in the diagnosis and treatment of gastric cancer. Materials and Methods: The data of 25 cases of postoperative CT follow-up and 56 cases of preoperative CT examination of gastric cancer were performed to analyze the short-term and long-term results of surgery and surgical resection rate. Another 47 cases of gastric cancer CT seen the possibility of preoperative surgical resection prediction. Analyze the CT findings of 13 cases of gastrointestinal tract shadow and/or endoscopic undiagnosed in the same period and compare the operation to explore the diagnostic value of CT in gastric cancer. RESULTS: Preoperative CT scans for gastric cancer patients were performed as a predictor of “possibility of surgical resection.” No selective surgery was performed, and the resection rate was only 53.57%. The five-year survival rate was 28.0%, and there were distant metastases. The surgical resection rate was 90.91%, and the CT accuracy rate was 90.63%. Of the 13 cases with gastrointestinal angiography and/or endoscopy that failed to make a diagnosis (pyloric stenosis, gastric wall occupying, and cardiac mass), 11 cases (3 gastric cancers, 1 ulcer, 2 smooth muscle tumors, 1 leiomyosarcoma) 2 cases of varicose veins and 2 cases of extrapulmonary benign tumors were correctly diagnosed by CT. Conclusion: CT is useful in the diagnosis, differential diagnosis of gastric cancer, and the possibility of preoperative evaluation of surgical resection. It can be used as a preoperative routine examination technique for gastric cancer.