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Abstract #2012

1.5T Vs. 3.0T: Nodule Detection and Semi-Quantitative Assessment of Pulmonary Nodule

Keiko Matsumoto1, Yoshiharu Ohno2, Hisanobu Koyama2, Munenobu Nogami2, Daisuke Takenaka2, Yumiko Onishi2, Nobukazu Aoyama3, Hideaki Kawamitsu3, Kazuro Sugimura2

1Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan; 2Department of Radiology, Kobe University Graduate School of Medicine; 3Division of Radiology, Kobe University Hospital

Pulmonary MR imaging is adapted for nodule characterization on 1.5T systems in routine clinical practice. Recently, 3.0T MR system is utilized for various MR examinations because of better S/N ratio and higher spatial resolution than 1.5T system. However, there are no reports that 3T system can adapt as substitution to 1.5T system for nodule detection and characterization on chest MR examinations. We hypothesized that 3T MR system have potential for nodule detection and semi-quantitative characterization of pulmonary nodule without significant difference with 1.5T system.