Occasionally ， acute posterior midline disk prola e at the l2 - 3 level may cause compre ion of many nerve roots in the cauda equina 偶尔在腰2 ~ 3水平后正中位的椎间盘急性脱出，可使马尾部许多神经根受压。
2.
Occasionally ， acute posterior midline disk prolapse at the l2 - 3 level may cause compression of many nerve roots in the cauda equina 偶尔在腰2 ~ 3水平后正中位的椎间盘急性脱出，可使马尾部许多神经根受压。
