Abstract：
BACKGROUND:Ossification of the posterior longitudinal ligament (OPLL) is a 3-dimensional (3D) disease that causes cervical myelopathy. The conventional 2-dimensional (2D) measurement of OPLL has limitations in estimating cord compression and myelopathy. In this study, we attempted to use 3D computed tomography (CT) and magnetic resonance imaging (MRI) to measure the 3D occupying ratio of OPLL and investigate its significance in the assessment of spinal cord myelopathy. METHODS:Three-dimensional CT and MRI were performed in 50 patients with cervical OPLL at a neutral position before surgery. MRI was done to determine the extent of spinal cord compression. The CT data were saved in DICOM format and analyzed using Mimics 17.0. Then a 3D model of OPLL was semiautomatically segmented at a specific threshold. The following data were measured: diameter of the spinal canal, thickness of the OPLL, and 3D volume of the OPLL and spinal canal. The Japanese Orthopedic Association (JOA) score was used to assess the cervical spinal cord function. RESULTS:Pearson correlation analysis showed that both the occupying ratio and the 3D occupying ratio were significantly and negatively correlated with the JOA score. Multiple linear regression analysis indicated that only the 3D occupying ratio showed a significantly negative correlation with the JOA score, whereas age, sex, and the occupying ratio were insignificantly associated with the JOA score. CONCLUSIONS:The 3D occupying ratio of OPLL is a reliable indicator for assessing the severity of spinal cord myelopathy. MRI provides more details about cord compression, making the measurement more accurate and objective.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Wang Z,Sun Y,Tang Y,Yuan B,Zhou S,Chen X,Jia Ldoi
10.1016/j.wneu.2018.03.222subject
Has Abstractpub_date
2018-07-01 00:00:00pages
e172-e177eissn
1878-8750issn
1878-8769pii
S1878-8750(18)30715-0journal_volume
115pub_type
杂志文章abstract：BACKGROUND:Fungal infection is a rare pathology in the sphenoid sinus, and extension into the pituitary fossa with visual loss has only been described in a few reports in the literature. Following publication of a recent report of pituitary abscess by Candida glabrata, we describe our own experience with a similar path...
journal_title：World neurosurgery
pub_type： 杂志文章
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abstract：BACKGROUND:Cluster Headache (CH) is most painful primary headache sometimes lead to poor quality of life and associated disability. So far not have treatment way to cured the CH. in this study, we introduce the novel and effective surgery for CH. METHOD:Six patients with CH, the diagnosis of CH matched on criteria of ...
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journal_title：World neurosurgery
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pub_type： 杂志文章,meta分析,评审
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journal_title：World neurosurgery
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更新日期：2017-02-01 00:00:00
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更新日期：2017-12-01 00:00:00
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更新日期：2017-06-01 00:00:00
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更新日期：2015-05-01 00:00:00
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更新日期：2021-01-18 00:00:00
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更新日期：2020-11-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
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更新日期：2017-07-01 00:00:00
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更新日期：2019-01-01 00:00:00
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journal_title：World neurosurgery
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更新日期：2021-01-01 00:00:00
