Before spectroscopy, we obtained conventional MRI using a clinical protocol that include SET1 WI( 440/9.0ms) , FSE T, WI ( 5407 9. Oms) ,T2WI(4400/99. 6ms) and contrast enhanced MRI to guide us in locating ROI for Probe SI studies.

• 波谱扫描：PRESS序列PROBE SI：1000/144ms，Fov24×24，层厚10mm，间隔0mm，矩阵256×16。