Abstract #3205

Computed DWIs with different b values vs. Actual DWI vs. FDG-PET/CT: Capability for N-Stage Assessment in NSCLC Patients.

Yoshiharu Ohno^1,2,3, Masao Yui⁴, Takeshi Yoshikawa^3,5, Daisuke Takenaka⁵, Kaori Yamamoto⁴, Yoshimori Kassai⁴, Kazuhiro Murayama², and Hiroshi Toyama¹

¹Radiology, Fujita Health University School of Medicine, Toyoake, Japan, ²Joint Research Laboratory of Advanced Medical Imaging, Fujita Health University School of Medicine, Toyoake, Japan, ³Division of Functional and Diagnostic Imaging Research, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, ⁴Canon Medical Systems Corporation, Otawara, Japan, ⁵Diagnostic Radiology, Hyogo Cancer Center, Akashi, Japan

No major papers that directly compared the capability for N-stage evaluation among cDWIs with different b values, aDWI and FDG-PET/CT in NSCLC patients. We hypothesize that cDWI has a potential for improving diagnostic performance of N-stage in NSCLC patients as compared with aDWI as well as FDG-PET/CT, when set appropriate b value. The purpose of this study is to directly compare the capability for N-stage evaluation among cDWI with different b values, aDWI and FDG-PET/CT in NSCLC patients.

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