Osteoporotic pedicles were augmented with polymethyl methacrylate using either a kyphoplasty type technique or a transpedicular augmentation technique.

• 骨质疏松的椎弓根用聚甲基丙烯酸甲酯进行了强化，它们有的是用后凸成形技术，也有的是用经椎弓根强化技术。