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[目的]评价18F-FDGPET/CT显像在胃癌诊断中的应用。[方法]49例经胃镜和病理确诊的胃癌患者进行18F-FDGPET/CT显像,其诊断结果与病理学检查、其他影像学检查及临床随访比较。[结果]49例患者18F-FDGPET/CT阳性44例,阳性率89.8%;39例有淋巴结转移患者中18F-FDGPET/CT显像发现32例,灵敏度为82.1%(32/39);12例有远处转移患者中18F-FDGPET/CT显像发现11例,灵敏度91.6%(11/12)。[结论]18F-FDGPET/CT显像对胃癌原发灶、淋巴结转移和远处转移具有较高的灵敏度,18F-FDGPET/CT显像在胃癌诊断中具有较高的临床价值。
[Objective] To evaluate the application of 18F-FDG PET / CT in the diagnosis of gastric cancer. [Method] Forty-nine gastric cancer patients diagnosed by endoscopy and pathology were examined by 18 F-FDG PET / CT. The diagnostic results were compared with pathological examination, other imaging studies and clinical follow-up. [Results] The positive rate of 89 cases in 18 cases was 89.8%. Among the 39 patients with lymph node metastasis, 32 cases were detected by 18F-FDG PET / CT. The sensitivity was 82.1% (32/39) In patients with distant metastasis, 18 cases were found by 18F-FDG PET / CT, and the sensitivity was 91.6% (11/12). [Conclusion] 18F-FDG PET / CT imaging has high sensitivity for primary gastric cancer, lymph node metastasis and distant metastasis. 18F-FDG PET / CT imaging has high clinical value in the diagnosis of gastric cancer.