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Abstract #3622

Discrimination between High-Grade Gliomas and Solitary Brain Metastases in Peritumoral Brain Zone: Qualitative Analysis Using Relaxation Maps

Xin Ge1,2, Xueying Huang2, Kai Zhu2, Aijun Wang2, Xiaocheng Wei3, Min Li4, Ying Shen1,2, Wenxiao Liu1,2, Ruirui Lv1,2, Peng Yong1,2, Xuhong Yang1,2, and Xiaodong Wang2
1Ningxia Medical University, Yinchuan, China, 2General Hospital of Ningxia Medical University, Yinchuan, China, 3GE Healthcare, MR Research, Beijing, China, 4GE Healthcare, MR Enhancement Application, Beijing, China


This work sought to identify a new non-invasive means to differentiate high-grade gliomas (HGGs) from solitary brain metastases (SBMs). It was concluded that the T1native, T2native, PDnative, and ΔT1ratio values were measured in peritumoral brain zone from synthetic MRI can be used as quantitative imaging biomarkers for distinguishing between HGGs and SBMs. The ΔT1ratio values have higher discrimination abilities compared with other parameters, which worth further study.

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