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Study Design.A computed tomographic study.Objective.To explore the anatomic relationship between the aorta and the spine in patients with thoracolumbar/lumbar kyphosis secondary to ankylosing spondyli
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Study Design.A computed tomographic study.Objective.To explore the anatomic relationship between the aorta and the spine in patients with thoracolumbar/lumbar kyphosis secondary to ankylosing spondylitis (AS).
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强直性脊柱炎(ankylosing spondylitis,AS)是一种主要累及中轴骨及外周大关节的慢性炎症性疾病.晚期患者可出现严重的胸腰椎后凸畸形,导致躯干塌陷及屈曲挛缩畸形、行走困难、腹部软组织挛缩、脏器受压及肺功能障碍等并发症.对此类胸腰椎后凸畸形的矫形术式有Smith-Peterson(SPO)、单节段经椎弓根椎体截骨(pedicle subtraction osteotomy,PSO)
Background Surgery for severe kyphoscoliosis is frequently unsatisfying because of loss of correction, high rate of pseudarthrosis and neurological complications.
强直性脊柱炎后凸畸形是强直性脊柱炎病史较长的患者，因韧带、椎间盘及椎旁组织骨化，引起脊柱功能活动降低而形成僵硬、固定的畸形，强直性脊柱炎病理性骨折最常见于下颈椎，其次为胸腰椎和腰椎。基于此从影像学特征、鉴别诊断、病理学、临床特点以及临床治疗情况对强直性脊柱炎后凸畸形伴病理性骨折进行了介绍。
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