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Abstract #0433

Computed Diffusion-Weighted Imaging in the Thorax: Determination of Appropriate b Value for Improving N-Stage Assessment in NSCLC Patients

Yoshiharu Ohno1,2, Masao Yui3, Daisuke Takenaka4, Yoshimori Kassai3, Kazuhiro Murayama1, and Takeshi Yoshikawa2
1Radiology, Fujita Health University School of Medicine, Toyoake, Japan, 2Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, 3Canon Medical Systems Corporation, Otawara, Japan, 4Diagnostic Radiology, Hyogo Cancer Center, Akashi, Japan

No major papers that determined the utility of cDWI for diagnosis of lymph node metastasis have been reported. We hypothesize that cDWI has a potential for improving diagnostic performance of N-stage in NSCLC patients as compared with aDWI and FDG-PET/CT, when set appropriate b value. The purpose of this study is to determine the utility of cDWI for differentiating metastatic from non-metastatic lymph nodes in NSCLC patients as compared with aDWI and FDG-PET/CT.

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