The acquisition time of 3D FS FSPGR sequence was 1 minute 32 seconds,the sensitivity,specificity and accuracy of which were 92%,71%,85%.

• 3DFS FSPGR序列扫描时间为 1分 3 2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、71%25和85%25 ;