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Spinal Cord Kinking in Thoracic Myelopathy Caused by ossification of the ligamentum flavum

Chinese Medical Journal 2015年第19期128卷 2595-2598页

作者： Ting Wang Min Pan Chu-Qiang Yin Xiu-Jun Zheng Ya-Nan Cong De-Chun Wang Shu-Zhong Li Department of Spine Surgery Affiliated Hospital of Qingdao UniversityQingdaoShandong 266003China Campus Clinic Normal CollegeQingdao UniversityQingdaoShandong 266071China

Background：ossification of the ligamentum flavum （OLF） is being increasingly recognized as a cause of thoracic *** study was to describe a rare clinical entity of spinal cord kinking （SK） in thoracic myelopathy secondary to ***：The data of 95 patients with thoracic myelopathy secondary to OLF were analyzed *** incidence and location of SK were determined using preoperative magnetic resonance imaging （MRI）.The clinical presentation and radiological characteristics in patients with SK were *** en bloc laminectomy with OLF was performed,and the surgical results were ***：SK was found in seven patients （7.4％） based on preoperative *** patients included one male and six females with an average age of 55.6 years （range,48-64 years）.Five patients presented with radiculomyelopathy and two presented with typical thoracic myelopathy of spastic *** all cases,the kinking was located just above the end of the spinal cord where the conus medullaris （CM） was compressed by the *** degree of SK varied from mild to *** tip of the CM was located between the upper third of T1 1 to the lower third of L 1,above the lower edge of L *** an average follow-up of 30.4 months,the modified Japanese Orthopedic Association score significantly improved from 5.7 ± 1.8 preoperatively to 8.9 ± 1.4 postoperatively （t =12.05;P ＜ 0.0001） with an improvement rate of 63.1 ± 12.3％.Conclusions：SK is a rare radiological *** is typically located at the thoracolumbar junction,where the CM is compressed by the *** findings indicate that these patients may benefit from a posterior decompressive procedure.

关键词： ossification of ligamentum flavum Spinal Cord Kinking Thoracic Myelopathy

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Thoracolumbar surgery for degenerative spine diseases complicated with tethered cord syndrome:A case report

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World Journal of Clinical Cases 2022年第28期10卷 10375-10383页

作者： Yue-Tian Wang Guan-Zhang Mu Hao-Lin Sun Department of Orthopedics Peking University First HospitalBeijing 100034China

BACKGROUND Tethered cord syndrome(TCS) secondary to split cord malformation(SCM) is rare in *** is as yet no consensus about the optimal treatment method for adult patients with SCMs and degenerative spine diseases such as lumbar stenosis,spondylolisthesis and ossification of the ligamentum flavum(OLF).The tethered cord poses a great challenge to the decompression and fusion procedures for the intraoperative stretching of the spinal cord,which might lead to deteriorated neural ***,we report on a case to add our treatment experience to the medical *** SUMMARY We treated a 67-year-old female patient with type II SCM suffering from lumbar disc herniation,degenerative lumbar spondylolisthesis and thoracic *** patient underwent thoracolumbar spinal fusion and decompression surgery for severe lower back pain,extensive left lower limb muscle weakness and intermittent *** the thoracolumbar surgery,without stretching the tethered cord,the patient achieved complete relief of pain and lower extremity weakness at final *** For adult patients with underlying TCS secondary to SCM coupled with thoracic OLF and lumbar spondylolisthesis,a thoracolumbar fusion surgery could be safe and effective with the tethered cord *** is critical to design individualized surgical protocols to reduce the stretch of the low-lying spinal cord.

关键词： Tethered cord syndrome Split cord malformations ossification of ligamentum flavum Spondylolisthesis Thoracolumbar surgery Case report

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