MRI scanning performed in all patients included axial T 1WI SE, axial and sagittal T 2WI TSE, coronal SPIR and Gd DTPA enhanced 3D scanning.

• 所有患者均行轴位T1WISE ,轴位及矢状T2 WITSE ,冠状SPIR ,以及Gd DTPA增强后的三维扫描。