Abstract #1892

Comparison of Capabilities for Pulmonary Functional Loss Evaluation and Clinical Stage Classification between 3D Oxygen-Enhanced MRI at 3T System and Thin-Section CT in Smokers

Yoshiharu Ohno^1,2, Masao Yui³, Takeshi Yoshikawa^1,2, Shinichiro Seki^1,2, Katsusuke Kyotani⁴, and Takamichi Murakami^4,5

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

Recently, 3D O₂-enhanced MRI at 3T system is recently developed by Cannon Medical Systems Corporation. On the other hands, no one directly compare this technique with quantitatively assessed CT for smoking-related COPD assessment. We hypothesized that 3D O₂-enhanced MRI has a potential for quantitative assessment of morphological changes due to smoking-related COPD as well as quantitatively assessed thin-section CT. The purpose of this study was to prospectively and directly compare the quantitative capability for pulmonary functional loss assessment and clinical stage classification between 3D O₂-enhanced MRI and thin-section CT in smokers.

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