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Abstract #3144

Comparison of Ultrashort Echo Time MRI with High-Resolution CT for the Assessment of Idiopathic Pulmonary Fibrosis

Xiaoyan Yang1, Min Liu1, Jing An2, Thomas Benkert3, Huaping Dai1, and Chen Wang1
1China-Japan friendship hospital, Beijing, China, 2Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China, 3Siemens Healthcare GmbH, Erlangen, Germany


This study investigated the feasibility of ultrashort echo time (UTE)-MRI to evaluate the radiologic findings of idiopathic pulmonary fibrosis, using high resolution CT (HRCT) as the reference standard. UTE-MRI is inferior to HRCT in identifying the details of lung parenchyma. The results suggest that UTE-MRI is equivalent to HRCT. In addition, inter-method agreement between UTE-MRI and HRCT were equal to inter- and intra-observer agreement for UTE-MRI for evaluating disease findings. Moreover, performance analyses demonstrated that UTE-MRI efficacy for detecting radiologic findings of pulmonary fibrosis, such as reticulation, traction bronchiectasis, and honeycombing were similar to that of HRCT.

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