• Chinese medical journal · Aug 2009

    Accuracy of 18F-FDG PET/CT for lymph node staging in non-small-cell lung cancers.

    • Bao-jun Liu, Jing-cheng Dong, Chang-qing Xu, Chuan-tao Zuo, Jing-Jing Le, Yi-hui Guan, Jun Zhao, Jin-feng Wu, Xiao-hong Duan, and Yu-xue Cao.
    • Laboratory of Integrative Medicine for Lung, Inflammation and Cancers, Huashan Hospital, Fudan University, Shanghai 200040, China.
    • Chin. Med. J. 2009 Aug 5; 122 (15): 1749-54.

    BackgroundThis retrospective study evaluated the diagnostic accuracy of 2-(F18)-fluoro-2-deoxy-D-glucose-positron emission tomography ((18)F-FDG-PET)/computed tomography (PET/CT) in the preoperative diagnosis of metastatic mediastinal and hilar lymph node in patients with non-small-cell lung cancer (NSCLC).MethodsA total of 39 patients received preoperative (18)F-FDG PET/CT and the postoperative biopsy. We compared preoperative PET/CT scan results with corresponding intraoperative histopathalogic findings in 39 NSCLC patients. The sensitivity, specificity, accuracy, positive and negative predictive value of (18)F-FDG PET/CT were assessed.ResultsHistopathologic examination confirmed metastasis in 57 out of the 208 excised lymph nodes; 23 of the 57 nodes were mediastinal and hilar lymph nodes. The sensitivity, specificity, accuracy, positive predictive value and negative predictive value of PET/CT in the preoperative diagnosis of mediastinal lymph node metastasis in NSCLC patients were 65%, 96.8%, 92%, 78.5% and 90%, respectively.ConclusionsPET/CT scan showed good accuracy in the preoperative diagnosis of mediastinal and hilar lymph node metastasis in the patients with NSCLC. We recommend that PET/CT scanning be used as a first-line evaluation tool for tumor diagnosis, therapy evaluation and follow-up.

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