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Abstract #2349

3D and 2D MRI sequences of lung nodules: comparison of capability for nodule detection and image quality evaluation

Shuyi Yang1, Qinqin Yan1, Fei Shan1, Zhiyong Zhang2, Yuxin Shi1, and Mengxiao Liu3
1Shanghai public health clinical center, Shanghai, China, 2Fudan University, Shanghai, China, 3Scientific Marketing, Diagnositic Imaging, Siemens Healthcare Ltd., Shanghai, China

This study aimed to evaluate the capability of different non-enhanced MRI sequences for lung nodules assessment. Sensitivity and specificity from MR images were calculated, with CT regarded as golden standard. The sensitivities by T1-starVIBE, T1-VIBE, T2-fBLADE TSE and T2-SPACE were 79.79%, 75%, 88.3%, 89.89%, while the specificity were 100%, 83.33%, 33.33%, 53.33% respectively. In conclusion, for uncooperative patients who can’t hold their breath, T1-starVIBE and T2-fBLADE were advised because of the excellent ability to remove artifacts. T1-VIBE can applied to those who coordinate well. All those three sequences can be used for pulmonary nodules assessment and long-term follow-up in clinical.

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