1. Objective To compare MRI wi th CT discography (CTD) for diagnostic assessment of lumbar disc disruption. 目的比较MRI、CT椎间盘造影（CTD）对腰椎间盘破裂的诊断价值。
2. Study Design. A cohort study of clinical outcomes of lumbar fusion patients with preoperative assessment of adjacent reels by provocative discography. 研究设计。 对有融合临近间盘术前诱发性椎间盘造影评价的一组腰椎融合病人的临床结果进行研究。
3. During the diagnostic workup, all patients had undergone provocative discography that included the assessment of the discs adjacent to the intended fusion levels. 诊断治疗过程中，对所有病人进行诱发性椎间盘造影，其中包括评价预备融合节段的临近间盘。
