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Lung Cancer:PET/CT评价肺癌纵膈淋巴结转移作用有限

2014-05-22 佚名 dxy

肺腺癌和鳞癌是最常见的非小细胞肺癌,对其的合理治疗需要准确的临床分期。纵膈镜检查目前仍被认为是确定纵膈淋巴结状态的金标准,但很多发展中国家并未常规性进行该项检查。非侵入性检查方法中,CT检查因主要基于淋巴结大小不够精确。18F-FDG PET/CT检查对于评价直径<15mm的淋巴结可能具有一定意义。 针对这种情况,中国哈医大肿瘤医院的Yu医生等进行了一项回顾性研究,发现18F-FDG PE

肺腺癌和鳞癌是最常见的非小细胞肺癌,对其的合理治疗需要准确的临床分期。纵膈镜检查目前仍被认为是确定纵膈淋巴结状态的金标准,但很多发展中国家并未常规性进行该项检查。非侵入性检查方法中,CT检查因主要基于淋巴结大小不够精确。18F-FDG PET/CT检查对于评价直径<15mm的淋巴结可能具有一定意义。【原文下载】

针对这种情况,中国哈医大肿瘤医院的Yu医生等进行了一项回顾性研究,发现18F-FDG PET/CT对腺/鳞癌直径<15mm的淋巴结的评价作用有限,且在鳞癌中假阳性率较高,考虑CT的衰减性有助于提高准确性。文章发表在2014年5月的Lung Cancer上。

该回顾性研究纳入了2005年10月至2012年10月间术前接受18F-FDG PET/CT检查且伴有直径<15mm纵膈淋巴结的116例腺癌和234例鳞癌患者,所有患者随后进行了病理检查确诊,对比PET/CT与病理检查结果间的差异。


研究结果显示,PET/CT检查在腺癌组中的特异性和准确性较鳞癌组高。与PET相比,PET/CT对鳞癌组有着更高的特异性和准确性,对腺癌组有着更高的特异性、准确性和阳性预测值。

原始出处

Lu P1, Sun Y2, Sun Y1, Yu L3.The role of 18F-FDG PET/CT for evaluation of metastatic mediastinal lymph nodes in patients with lung squamous-cell carcinoma or adenocarcinoma.Lung Cancer. 2014 Apr 18.【原文下载】

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    2015-03-31 feather89
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    2014-05-24 sodoo
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    2014-05-24 huagfeg

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