Abstract #3220

Reliability Verification and Diagnostic Value Based on Brain Metastases of STAGE at 1.5T

Huijing Xiang¹, Yi Li², Yuqi Duan¹, Xiaoyun Liang², Feng Huang², Peian Hu³, Dongbing Zhang¹, Zhengrong Zhou¹, and Lei Chen¹

¹Department of Radiology, Minhang Branch, Fudan University Shanghai Cancer Center, Shanghai, China, ²Neusoft Medical Systems Co.Ltd., Shanghai, China, ³Department of Radiology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China

Synopsis

Keywords: Tumors, Tumor, Brain metastases, Reliability, Quantitative mapsAs the first choice to identify brain metastases (BM), the anatomical, functional and metabolic information extracted by various MR sequences is the basis. However, synthetic MR technique mostly relies on expensive equipment and high field strength, which is challenging for primary institutions to implement. In this study, we assessment the reliability and diagnostic value based on BM of Strategically Acquired Gradient Echo (STAGE) at 1.5T. Enhanced T1W map of STAGE showed better GM/WM CNR compare with T1MPRAGE for BM identification. Reliable values and inconspicuous physiological variability were observed in the quantitative maps for various brain tissues.

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