螺旋CT对胃癌淋巴结转移的评价
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赵志清, 郑可国, 沈静娴, 王 伟, 李子平,
胃癌;螺旋CT;淋巴结转移,赵志清,郑可国,王伟,李子平,许达生,沈静娴,通讯作者:,Evaluationoflymphnodemetastasesingast
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赵志清, 郑可国, 王伟, 李子平, 许达生, 中山大学附属第一医院放射科 广东省广州市 510080
沈静娴, 中山大学附属肿瘤医院放射科 广东省广州市 510080
通讯作者: 赵志清, 510080, 广东省广州市, 中山大学附属第一医院放射科. zzq4480@yahoo.com.cn
电话: 0755-27722241-3808
收稿日期: 2006-08-01 接受日期: 2006-08-15
Evaluation of lymph node metastases in gastric cancer with spiral computed tomography
Zhi-Qing Zhao, Ke-Guo Zheng, Jing-Xian Shen, Wei Wang, Zi-Ping Li, Da-Sheng Xu
Zhi-Qing Zhao, Ke-Guo Zheng, Wei Wang, Zi-Ping Li,Da-Sheng Xu, Department of Radiology, the First Affiliated Hospital of Sun Yat-Sun University, Guangzhou 510080, Guangdong Province, China
Jing-Xian Shen,Department of Radiology, the Affiliated Tumor Hospital of Sun Yat-Sun University, Guangzhou 510080, Guangdong Province, China
Correspondence to:Zhi-Qing Zhao, Department of Radiology, Sha Jing people’s hospital, Shenzhen 518104, Guangdong Province, China. zzq4480@yahoo.com.cn
Received:2006-08-01 Accepted:2006-08-15
Abstract
AIM: To investigate the manifestation characteristics of spiral computed tomography (SCT) for lymph nodes metastases in gastric cancer, and to provide the evidence for clinicians to make appropriate treatment strategies and prognosis analysis.
METHODS: The SCT findings for lymph nodes in 45 gastric cancer patients with or without metastasis were confirmed by surgical pathology, and then retrospectively analyzed.
RESULTS: A total of 267 lymph nodes (positive 123, negative 144) were detected by SCT and confirmed by pathology in metastasis-positive or metastasis-negative patients. If the attenuation values, more than or equal to 25 Hu in plain scan or 70 Hu in arterial phase or 80 Hu in venous phase, were used as the threshold to detect the metastasis-positive lymph nodes, the sensitivity, the positive predictive value, the negative predictive value and the specificity were 98.4%, 70.0%, 97.9% and 69.3%, respectively ......
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