Summary of Background Data. Ossification of ligamentum flavum (OLF) in the lumbar region causing neurologic impairment is a rare pathologic entity described mainly in Japanese literature.
由于腰椎黄韧带骨化而导致神经功能缺损是非常罕见病理类型，而在日本相关文献中描述较多。
Bride invites 89 year olf grandma to be a bridemaid at her wedding.
新娘邀请了一位89岁的奶奶来做她的伴娘！
The previous studies show that the main reasons for poor post-operation results of OLF patients are the delation in diagnosis and the needs of continued operation in OLF in spine.
胸椎OLF的保守治疗效果差，临床治疗仍以后路减压术为主，研究表明，诊断延误与OLF多发性是造成患者术后功能恢复差的重要原因。
It is pointed out that, moreover, combined with the other techniques of oil analysis, OLF 1 on line ferrography can monitor and diagnose gear wear condition more accurately.
本文同时指出，OLF -1在线铁谱与其它油液分析技术相结合，可以更准确地进行齿轮磨损状态的监测和诊断。
Therefore, using for real time and continuous monitoring of gear wear condition, OLF 1 on line ferrography is of good properties.
因而，OLF -1在线铁谱仪用于齿轮磨损状态的实时和连续监测具有良好的性能。
Conclusion. It is possible that OLF is underreported in the Greek population. Surgical treatment is important in order to improve functional outcomes.
结论：在希腊黄韧带骨化病例的报告可能不完全。手术治疗对于提高功能恢复有重要意义。
Summary of Background Data. OLF is being increasingly recognized as a cause of myelopathy.
研究背景概述：olf逐渐被认为是脊髓病的一种原因。
Conclusion. Dural ossification is a common finding in OLF.
结论：硬膜骨化是OLF常见的表现。
Objective To deepen the knowledge of the ossification of posterior longitudinal ligament(OPLL) plus ossification of ligamenta flava(OLF) in cervical spine.
目的深化对颈椎后纵韧带骨化（OPLL）合并黄韧带骨化（OLF）的认识。
Objective:To evaluate the medical imaging characteristics and value in the diagnosis of ossification of the ligamentum flavum(OLF).
目的：探讨胸椎黄韧带骨化症的诊断及影像学特点。
Objective To study the diagnosis of thoracic myelopathy caused by ossification of ligamenta flava(OLF) and the effect of the improved surgical procedure.
目的探讨胸椎黄韧带骨化症的诊断特点及改良手术的疗效。
Methods. A retrospective analysis of a database of OLF maintained by this author was done to identify cases of OLF where there was intraoperative evidence of dural ossification and dural laceration.
方法：回顾性地分析了本文作者所建立OF L数据库，检索出术中证据显示硬膜骨化和硬膜撕裂的OLF病例。
According to compression degree in image combined with clinical symptom and signs, the responsible levels were determined for multi-level or jumping OLF patients;
对于多节段及跳跃性黄韧带骨化症患者，根据影像学压迫程度，结合临床症状及体征，确定责任节段；
According to compression degree in image combined with clinical symptom and signs, the responsible levels were determined for multi-level or jumping OLF patients;
对于多节段及跳跃性黄韧带骨化症患者，根据影像学压迫程度，结合临床症状及体征，确定责任节段；
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