Abstract #3622

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

Xin Ge^1,2, Xueying Huang², Kai Zhu², Aijun Wang², Xiaocheng Wei³, Min Li⁴, Ying Shen^1,2, Wenxiao Liu^1,2, Ruirui Lv^1,2, Peng Yong^1,2, Xuhong Yang^1,2, 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

Synopsis

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 T_1native, T_2native, PD_native, and ΔT_1ratio values were measured in peritumoral brain zone from synthetic MRI can be used as quantitative imaging biomarkers for distinguishing between HGGs and SBMs. The ΔT_1ratio values have higher discrimination abilities compared with other parameters, which worth further study.

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