The acquisition time of 3D FS SPGR sequence was 4 minutes 55 seconds,the sensitivity,specificity and accuracy of which were 92%,86%,90%.

• 3DFS SPGR序列扫描时间为 4分 5 5秒 ,其诊断髌股关节软骨病变的敏感性、特异性和总符合率为 92%25、86%25和90%25。