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Abstract #3140

Predicting the risk grades of thymic epithelial tumors using magnetic resonance T1 mapping and diffusion weighted imaging: a pilot study

Chenxi Liu1, Shengzhong Wang2, Xiaocheng Wei3, Gang Xiao1, YUchuan Hu1, and Guangbin Cui1
1Tangdu Hospital, Air Force Medical University, Xi'an, China, 2Shaanxi University of Traditional Chinese Medicine, Xi'an, China, 3GE Healthcare, Beijing, China


The pathological staging system of Thymic epithelial tumors (TETs) which called Masaoka staging, is an important prognostic factor, and its impact on survival is much greater than that of WHO classification. However, as the Masaoka stage can only be established postoperatively, preoperative imaging has important implications concerning treatment strategy. This study analyzes the differences of T1 values and ADC values in different regions, different types and stages of TETs tumors, and establishes a reliable noninvasive imaging technology to distinguish the risk classification and stage of tumors.

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