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目的：回顾分析４例转移性胃癌患者的ＣＴ资料，讨论转移性胃癌的诊断和鉴别诊断问题，旨在提高ＣＴ对转移性胃癌的认识。方法：回顾分析１９８４～１９９９年问，４例经手术和病理证实的转移性胃癌患者的临床、ＧＩ和ＣＴ资料。结果：原发癌中，小肠腺癌１例，结肠癌１例，肝癌２例，其中，肝细胞肝癌和胆管细胞型肝癌各１例。胃的转移瘤位于胃体１例，胃窦１例，胃窦及胃体部２例，孤立型肿块１例，弥漫浸润型３例。结论：转移性胃癌是非常少见的消化道肿瘤，提高ＣＴ对该肿瘤的认识，提供临床更多的信息，对病人术前治疗计划的制定和预后的判断，预防意外的消化道穿孔和出血的发生有重要的参考价值。
Objective: To retrospectively analyze the CT data of 4 patients with metastatic gastric cancer, discuss the diagnosis and differential diagnosis of metastatic gastric cancer, and to improve the understanding of CT on metastatic gastric cancer. Methods: The clinical, GI, and CT data of 4 patients with metastatic gastric cancer confirmed by surgery and pathology from 1984 to 1999 were analyzed retrospectively. RESULTS: Among the primary cancers, there were 1 case of adenocarcinoma of the small intestine, 1 case of colon cancer, and 2 cases of hepatocellular carcinoma, of which 1 case was hepatocellular carcinoma and 1 case of cholangiocarcinoma. Gastric metastases were located in 1 case of gastric body, 1 case of gastric antrum, 2 cases of gastric antrum and stomach body, 1 case of isolated tumor, and 3 cases of diffuse infiltration. Conclusion: Metastatic gastric cancer is a very rare gastrointestinal cancer. It improves the CT understanding of the tumor, provides more clinical information, and makes preparations for the patient’s preoperative treatment plan and the prognosis, prevention of accidental gastrointestinal perforation and bleeding. The occurrence has important reference value.