Abstract #0828

3D O2-Enhanced MR Imaging vs. Thin-Section CT: Capability for Pulmonary Functional Loss Assessment and Clinical Stage Classification in Smokers

Yoshiharu Ohno^1,2, 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 one directly compare this new technique with quantitatively assessed CT for pulmonary functional loss evaluation and The Global Initiative for Chronic Obstructive Lung Disease (GOLD) classification in smokers. We hypothesized that regional ΔT1 change from 3D O₂-enhanced MRI has a potential for pulmonary functional loss assessment and clinical stage classification as well as quantitatively assessed thin-section CT in smokers. 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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