Abstract #4098

Whole-Body MRI and PET/MRI at 1.5T and 3T MR System: Comparison of TNM Stage Assessment Capability with PET/CT in Non-Small Cell Carcinoma (NSCLC)

Yoshiharu Ohno^1,2, Takeshi Yoshikawa^1,2, Masao Yui³, Kota Aoyagi³, Yoshimori Kassai³, 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

No one reported direct comparisons for TNM staging capability among whole-body MRI and PET/MRI at 1.5T and 3T systems and PET/CT in NSCLC patients. We hypothesize that whole-body MRI and PET/MRI at 1.5T and 3T MR systems have better potential for TNM stage assessment than whole-body FDG-PET/CT in NSCLC patients. The purpose of this study was to prospectively and directly compare TNM stage classification capability among whole-body MRI and PET/MRI at 1.5 and 3T MR systems and PET/CT in NSCLC patients.

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