opll

Conclusion The developing results of cervical OPLL is spinal stenosis and compression the spinal cord , result nervous system defecency .

结论颈椎后纵韧带骨化发展的结果是椎管狭窄，压迫脊髓，出现神经功能障碍。

Influence of Negative Frequency Feedback on the Noise Performance of OPLL

负频反馈对光锁相环噪声性能的影响

Effects of non-ideal phase transfer function on the performance of OPLL

非理想相位传递函数对OPLL性能的影响

Conclusion Lower cervical instability may accelerate the onset and development of OPLL .

结论下颈椎不稳加速OPLL症的发生和发展。

[ Method ] The clinic data of 48 patients from 2000 with cervical OPLL were reviewed and analyzed .

[方法]对本组自2000年以来手术治疗的48例OPLL患者的临床资料进行回顾性总结分析。

Comparison CTM to contrast MRI the value of diagnosis for cervical spondylosis and OPLL

脊髓造影加CT与MRI对颈椎病及后纵韧带骨化诊断价值的比较

Application of Ku-band Up-conversion with OPLL in VSAT Communication System

Ku波段锁相上变频技术在VSAT通信系统中的应用

Anterior floating method used to manage ossification of the cervical posterior longitudinal ligament ( OPLL ): preliminary study

前路飘浮法治疗颈椎后纵韧带骨化症初步报告

The OPLL function of each part are introduced in detail , aimed in OPLL mathematic model and simulation .

本文对锁相环组成部分的功能进行了详细的介绍，目的是建立光锁相环数学模型的建立与仿真。

Spinal cord was compressed by OPLL in 28 cases , while 4 cases to nerve roots .

OPLL压迫脊髓28例、压迫神经根4例。

Conclusion These results suggest that OPLL is not a separate disease process , but a variant of cervical spondylosis .

结论这些研究结果提示颈椎OPLL并不是一种独立疾病过程，而是颈椎病的一种特殊表现。

Image Manifestations of Ossification of the Posterior Longitudinal Ligament ( OPLL ) in the Cervical Spine

颈椎后纵韧带骨化症的影像学表现

OBJECTIVE To assess the efficiency and feasibility of single-stage anterior-posterior combined decompressive operation for the treatment of serious OPLL .

目的：评价一期前后联合手术治疗严重颈椎后纵韧带骨化症的疗效和可行性。

Conclusion It was frequently that thoracic OPLL was combined with OLF and cervical OPLL .

结论胸椎OPLL常合并胸椎OLF及颈椎OPLL。

Objective : We studied the relationship between the MRI features and pathology for ossification of the posterior longitudinal ligament ( OPLL ) .

目的：探讨后纵韧带骨化症（OPLL）的磁共振成像（MRI）信号特点及与病理的相关性。

Objective To evaluate the effect of lower cervical instability on the onset of cervical ossification of the posterior longitudinal ligament ( OPLL ) .

目的探讨下颈椎不稳与颈椎后纵韧带骨化症（OPLL）早期发病的关系。

Objective To investigate and discuss clinical and histopathological characteristics of ossified tissues of the posterior longitudinal ligament ( OPLL ) in cervical spine .

目的研讨颈椎后纵韧带骨化（OPLL）组织临床与病理学特点。

The influence of negative frequency feedback on the noise performance of optical phase-locked loop ( OPLL ) is presented . And the minimum phase noise variance is given .

本文研究了负频反馈（NFFB）对光锁相环（OPLL）噪声性能的影响，给出了最小相位噪声方差。

Objective : To discuss surgical curative efficacy of floating ossification and spinal cord decompression for ossification of posterior longitudinal ligament ( OPLL ) .

目的：探讨漂浮骨化灶脊髓减压治疗颈椎后纵韧带骨化症（OPLL）的手术疗效。

To investigate the effects of nonoperative treatment on the ossification of cervical posterior longitudinal ligament ( OPLL ) patient who had lighter symptom .

探讨症状较轻的颈椎后纵韧带骨化患者的非手术治疗效果。

Objective : To discuss the application of total laminectomy and cervical lateral mass plate for the treatment of ossification of the posterior longitudinal ligament ( OPLL ) .

目的：探讨在颈椎后纵韧带骨化症患者实施后路全椎板切除减压后，应用颈椎侧块钢板内固定的方式、疗效。

Method : From March 2000 to January 2005,157 patients with OPLL were treated by posterior decompression , and 9 of them developed C5 palsy after surgery .

方法：2000年3月至2005年1月，采用后路减压手术治疗OPLL患者157例，其中9例术后出现C5神经根麻痹。

Among them 8 cases had thoracic disc herniation ( TDH ), and 6 cases had ossification of posterior longitudinal ligament ( OPLL ) .

其中黄韧带骨化95处，合并胸椎间盘突出（TDH）8例，后纵韧带骨化（OPLL）6例。

Results 65.5 % of the cases were combined with thoracic ossification of ligamentum flavum ( OLF ), 32.7 % of the cases with cervical OPLL .

结果55例中36例（65.5%）合并胸椎黄韧带骨化（OLF），18例（32.7%）合并颈椎OPLL。

Conclusion : MRI is of great value in the diagnosis of OPLL , posterior longitudinal ligament thickening and cervical intervertebral disc extrusion and of great significance in the choice of operation scheme .

差2例，占5.7%。结论：MRI对后纵韧带骨化、后纵韧带肥厚和颈椎间盘脱出的诊断有重要价值，对手术方案的选择有重要意义。

The preoperative diagnostic value of MRI and CTM have been appraised for degenerative diseases of cervical spine and OPLL of38 patients with cervical spondylotic myelopathy .

本文通过对38例脊髓型颈椎病术前脊髓造影加CT和MRI结果的比较分析，就此二种检查方法的诊断价值做出了评价。

Objective To evaluate the MRI findings of ossification of the posterior longitudinal ligament ( OPLL ) in the cervical spine and the role of MRI for diagnosing OPLL .

目的探讨后纵韧带骨化（OPLL）的MRI表现及MRI对其诊断价值。

Objective Ossification of the posterior longitudinal ligament ( OPLL ) is common in clinic , the incidence of which in Aisa old people could be 20 % - 34 % .

目的后纵韧带骨化症（Ossificationofposteriorlongitudinalligament，OPLL）是临床上常见的脊柱疾患，发病率可高达20%-34%。

X-ray examination of cervical vertebrae in 2152 cases from Jan 1986 to Dec 1992 in our department , revealed 31 cases of ossification of posterior longitudinal ligament ( OPLL ) .

自1986年1月至1992年12月共摄颈椎片2152例，发现颈椎后纵韧带骨化31例，患病率为1.44%，存在随年龄增长而增高的趋势，颈5、6最易受累。

The patients with single profusions of cervical intervertebral disc , limitative OPLL ( within one vertebra ), steady lower cervical vertebral fracture should be given single front cervical decompression and bone transplanting .

单一颈椎间盘突出（包括外伤性颈椎间盘突出），局限性OPLL（一个节段内），无脱位的下颈椎椎体骨折（压迫脊髓）可行颈前路单纯减压、植骨；