LV Zhe,LIU Zheng,YANG Fan.The CT nerve colayer display technology in diagnosing the variation of lumbosacral nerve root[J].Chinese Journal of Spine and Spinal Cord,2016,(12):1082-1086.
The CT nerve colayer display technology in diagnosing the variation of lumbosacral nerve root
Received:July 11, 2016  Revised:September 05, 2016
English Keywords:Nerve root variation  Reconstruction technology  Tomography, X-ray computer  Image processing, Computer assisted
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Author NameAffiliation
LV Zhe Department of Radiology, Peking University Shougang Hosptial, Beijing, 100041, China 
LIU Zheng 北京大学首钢医院骨科 100041 北京市 
YANG Fan 北京大学首钢医院影像科 100041 北京市 
张 滨  
史 也  
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English Abstract:
  【Abstract】 Objectives: To explore the practical value of CT nerve colayer display technology in diagnosing the variation of lumbosacral nerve root(LSNRA). Methods: One hundred cases suffering from lumbocrural pain(patients with lumbar spine surgery, tumor or inflammatory excluded) in our unit from Oct 2015 to May 2016 were retrospectively studied(46 females and 54 males; age range, 27-88 years). CT volumetric scanning, image restructuring and neural restructuring in lumber spine were done by Value of 64-row spiral CT(reconstructing on both sides of the nerve root from L2 to S2). According to Campbell′s Operative Orthopaedics Clinical Symptom System, the variations of nerve root were divided into 6 types. Results: 97 cases got satisfied images. Conventional images(axial, coronal and sagittal) found 3 cases with LSNRA and nerve reorganization was found in 13 cases, the display rate was 3.09% and 13.40% respectively. There were significant differences between the two groups(P=0.002). Among the 13 cases of LSNRA, 11 were type Ⅱ(84.62%), 2 were type Ⅴ(15.38%). Conclusions: CT nerve colayer display technology can completely and clearly show the distribution of LSNRA and its relationship with adjacent nerve roots, which can be used for clinical diagnosis of LSNRA.
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