Surgical approach via the intertransverse ligament is recommemded for extraforaminal disc herniations.It causes less trauma to the facet joint and isthmus.Late spinal instability might be prevented.

• 手术方法建议采经横突间韧带途径，其优点是不会破坏脊椎关节或峡部，避免日后脊椎不稳定的发生。