Abstract #0723

Pulmonary Thin-Section MRI with Ultrashort TE: Capability for Lung Nodule Screening and Subtype Classification as Compared with Low- and Standard-Dose CTs

Yoshiharu Ohno^1,2, Yuji Kishida², Shinichiro Seki², Hisanobu Koyama², Takeshi Yoshikawa^1,2, Daisuke Takenaka³, Masao Yui⁴, Aiming Lu⁵, Mitsue Miyazaki⁵, Katsusuke Kyotani⁶, and Kazuro Sugimura²

¹Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Japan, ²Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, ³Radiology, Hyogo Cancer Center, Akashi, Japan, ⁴Toshiba Medical Systems Corporation, Otawara, Japan, ⁵Toshiba Medical Research Institute USA, Vernon Hills, IL, United States, ⁶Center for Radiology and Radiation Oncology, Kobe University Hospital, Kobe, Japan

MRI with ultrashort TE (UTE) has been suggested as useful for morphological assessment of lung as well as CT. However, no reports have been found to study the capability of thin-section MRI with UTE for pulmonary nodule detection and nodule type assessment as compared with thin-section CTs. We hypothesized that pulmonary MRI with UTE has a similar potential for nodule detection and nodule type evaluation as compared with thin-section CT. The purpose of this study was to compare the capability of pulmonary MRI with UTE for nodule detection and nodule type assessment with low- and standard-dose CTs.

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