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《Journal of Huazhong University of Science and Technology(Medical Sciences)》 2017年04期
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Diagnostic Power of Diffusion-weighted Magnetic Resonance Imaging for the Presence of Lymph Node Metastasis: A Meta-analysis

孔祥闯  熊凌云  Emre Gazyakan  Holger Engel  Ulrich Kneser  Andreas K.Nüssler  Christoph Hirche  孔祥泉  
【摘要】:Present work was designed to quantitatively evaluate the performance of diffusion-weighted magnetic resonance imaging(DWI) in the diagnosis of the presence of metastasis in lymph nodes(LNs). Eligible studies were identified from systematical Pub Med and EMBASE searches. Data were extracted. Meta-analyses were performed to generate pooled sensitivity and specificity on the basis of per-node, per-lesion and per-patient, respectively. Fourteen publications(2458 LNs, 404 lesions and 334 patients) were eligible. Per-node basis demonstrated the pooled sensitivity and specificity was 0.82(P0.0001) and 0.90(P0.0001), respectively. Per-lesion basis illustrated the pooled sensitivity and specificity was 0.73(P=0.0036) and 0.85(P0.0001), respectively. Per-patient basis indicated the pooled sensitivity and specificity was 0.67(P=0.0909) and 0.86(P0.0001), respectively. In conclusion, DWI has rather a negative predictive value for the diagnosis of LN metastasis presence. The difference of the mean apparent diffusion coefficients between benign and malignant LNs is not yet stable. Therefore, the DWI technique has to be further improved.
【作者单位】Department
【分类号】:R445.2;R730.44

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1 孔祥闯;熊凌云;Emre Gazyakan;Holger Engel;Ulrich Kneser;Andreas K.Nüssler;Christoph Hirche;孔祥泉;;Diagnostic Power of Diffusion-weighted Magnetic Resonance Imaging for the Presence of Lymph Node Metastasis: A Meta-analysis[J];Journal of Huazhong University of Science and Technology(Medical Sciences);2017年04期
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