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Abstract #4097

Comparison of the Capability for Distinguishing Malignant from Benign Pulmonary Nodules among DWI with FASE Sequence at a 3T System, DWIs with EPI Sequence at 1.5T and 3T Systems and FDG-PET/CT

Yoshiharu Ohno1,2, Masao Yui3, Yoshimori Kassai3, Takeshi Yoshikawa1,2, Shinichiro Seki1,2, Katsusuke Kyotani4, and Takamichi Murakami4,5

1Division of Functional and Diagnostic Imaging Research, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, 2Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Japan, 3Canon Medical Systems Corporation, Otawara, Japan, 4Center for Radiology and Radiation Oncology, Kobe University Hospital, Kobe, Japan, 5Division of Radiology, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan

No one have been compared the capability between DWI obtained by EPI and FASE at 3T or 1.5T systems and PET/CT in this setting. We hypothesized that DWI obtained by FASE sequence at 3T system are more useful than that by EPI sequence at 1.5T and 3T systems and PET/CT for diagnosis of SPN. The purpose of this study was to directly and prospectively compare the quantitative capability for diagnosis of SPN among DWI with FASE and EPI sequences at 3T system, DWI with EPI sequence at 1.5T system and FDG-PET/CT.

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