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Abstract #2350

Native T1-mapping of focal pulmonary lesions in 3.0-T magnetic resonance imaging: lesions display and accuracy of size estimation

Shuyi Yang1, Qinqin Yan1, Fei Shan1, Zhiyong Zhang1, and Yuxin Shi1
1Shanghai public health clinical center, Shanghai, China

This study aimed to investigate the diagnosis efficacy of native T1-mapping in focal pulmonary lesion, focused on lesions display and accuracy of size estimation. All lesions were clearlly demonstrated by CT, native T1-mapping, T1-star VIBE, and T2-fBLADE TSE. The tumor and distal obstructive pulmonary atelectasis can also be detected clearly by native T1-mapping. T1-mapping-based diameter measurements yielded excellent intra-observer and inter-methods consistent.In conclusion, we considered that native T1-mapping displays focal pulmonary lesions clearly (particularly when accompanying obstructive atelectasis and/or pneumonia) and enable accurate and reliable diameter measurement.

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