背景数据摘要：椎体成形术一般用于稳定局部没有纠正后凸畸形的椎体压缩性骨折，主要目的是减轻疼痛和不稳。
Summary of Background Data. Vertebroplasty is typically used to stabilize vertebral compression fractures in situ without correcting kyphosis, with the main target to reduce pain and disability.
作者报道了4例因骨质疏松压缩性骨折或肿瘤专转移性疾病行椎体成形术或后凸成形术引起迟发性化脓性脊髓炎（DPS）的病例。
The authors report on 4 cases of delayed pyogenic spondylitis (DPS) following vertebroplasty or ky-phoplasty for osteoporotic compression fractures and metastatic disease.
目的：探讨经皮穿刺椎体成形术在骨质疏松性椎体压缩性骨折中的临床治疗效果。
Objective: To determine the clinical efficacy of percutaneous vertebroplasty in the treatment of osteoporotic vertebral body compression fractures.
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