Summary of Background Data . Malignant paragangliomas are a very rare entity.

恶性神经节瘤是一非常少见的实体瘤.

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Background Data . Few studies have analyzed correlation between clinical outcomes and ASD.

很少有研究分析邻近节段退变和临床治疗效果的相关性.

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Summary of Background Data . Asymptomatic epidural hematoma is common after lumbar surgery.

腰椎术后不典型硬膜外血肿很常见.

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Summary of Background Data . Irreducible atlantoaxial dislocation is typically a chronic process that requires surgical treatment.

不可复性寰枢关节脱位是一种典型的慢性进程,需要外科手术干预.

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Summary of Background Data . Current concepts of spinal sagittal balance center on the plumb line.

当前的研究表明, 椎体矢状平衡中心存在于C7垂直线上.

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Summary of Background Data . Spinal tuberculosis associated with any neuro deficit is usually treated by surgery.

脊柱结核合并神经损害常用手术治疗.

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Summary of Background Data . Spontaneous spondylodiscitis and epidural abscess in non surgical fractures is exceptionally rare.

自非手术治疗的骨折出现自发的椎间盘炎与硬膜外脓肿是十分罕见的.

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This investigation gave background data to appraising radiation level of circulating currencies after applied radiation disinfection.

为今后流通货币应用辐照消毒后的辐射水平的评价提供了本底数据.

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Summary of Background Data . Bacteria hae been cultured from intervertebral discs of patients with sciatica.

在患有坐骨神经痛的病人的椎间盘中曾经培养出了细菌群落.

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Summary of Background Data . Seeral posterior rod constructs are available for instrumentation across the cervicothoracic junction.

跨越颈胸段的后路内固定器械中有数种棒可供选择.

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