椎弓

结论矢状位重建可清晰的显示椎弓和椎弓峡部裂的形态特征。

Conclusion : Sagittal reconstruction can completely display the isthmus of vertebral arch and the features of spondylolysis in detail .

目的：论述腰枕和性激素等药物治疗老年椎弓骨折的机理。

Objective : To probe into the treatment machanism of vertebral arch fracture in the aged with waist pillow combined with sex hormone and related medicines .

CT对于不伴有椎体滑脱的椎弓峡部裂检出率达10%。

CT found the spondyloschisis with no spondylolisthesis was 10 % .

腰椎椎弓崩裂并滑脱的CT诊断

CT Diagnosis of Spondylolysis and Spondylolisthesis of the Lumbar Spine

椎弓峡部不连的多层螺旋CT诊断

Multi-slice Spiral CT Diagnosis of Spondyloschisis

腰椎峡部裂平行椎弓CT扫描的技术探讨及临床应用

Techniques and clinical applicationes of CT scans parallel to isthmic in isthmic defect of lumbar spine

目的探讨CT在腰椎椎弓峡部不连诊断中的临床价值及提高检出率。

Objective To evaluate diagnostic value of CT in spondylolysis of lumbar spine and to improve its positive ratio .

CT及MRI显示单椎体结核椎弓正常。

It was found on CT and MRI that the vertebral arch of the single vertebral tuberculosis was normal .

方法对20例椎弓峡部裂的病例进行CT扫描和多平面重建，获得矢状位图像。

Material and Methods : CT scan and MPR performed in 10 cases with spondylolysis , obtained the sagittal reconstruction imaging .

目的：探讨CT反角度扫描对椎弓崩裂的诊断价值及临床意义。

Objective The article was to show the diagnosis and clinical value of reverse gantry CT ( RGCT ) to spondylolysis .

椎弓崩裂症的MRI诊断

MRI Diagnosis of Spondylolysis

方法：收集腰腿痛病人729例，经X光与CT检查，显示不清者做椎弓头倾角扫描。

Methods : 729 clinic patients who suffer from low back pain had vertebral X-ray and had reverse gantry CT picture if necessary .

目的：探讨平行于椎弓CT扫描对腰椎峡部裂的诊断价值及临床应用。

Objective : To study the CT diagnostic value and clinical applications of CT scans parallel to isthmic in isthmic defect of lumbar spine .

笔者报告46例腰椎滑脱症的CT表现（椎弓崩裂并滑脱25例，退行性滑脱21例）。

CT manifestations of 46 cases of lumbar spondylolisthesis are reported ( 25 cases of spondylolisthesis caused by spondylolysis , 21 degenerative spondylolisthesis ) .

Buck法螺钉固定联合椎板-横突植骨术治疗腰椎椎弓峡部裂

Treatment of lumbar spondylolysis with Buck screw fixation and interlaminar and intertransverse bone graft

方法：应用保留棘突和部份椎弓的椎板开窗减压，加H型棘突间及椎板植骨融合术，治疗退行性腰椎滑脱。

Methods : Degenerative spondylolisthesis cases were treated by bilateral partial hemilaminectomy preserving spinous process and H shape bone grafting between spinous processes and laminae .

目的：比较反角度CT扫描技术与CR技术对椎弓崩裂的检查诊断价值。

Objective : To compare the value of reverse gantry angle CT scan technique to which of CR technique in examining vertebra arc crack .

方法对40例椎弓峡部不连患者行MSCT扫描和三维重建成像。

Methods 40 patients with spondyloschisis were examined with MSCT scan and 3D reconstruction .

方法对82例椎弓完整性腰椎滑脱症的正侧位、双斜位X线平片及CT图像（24例加作CT扫描）进行分析。

Methods To analyse X-ray images of lumbar vertebrae positive side and left-right oblique position plain films and CT images ( only 24 cases ) of 82 patients .

腰椎椎弓峡厚度，男女均L5最厚，L1最薄，呈逐渐增厚趋势。

From L_1 to L_5 , the thickness gradually increased .

常规椎弓CT横轴面图像仅检出28例58处峡部裂，漏诊14例，漏诊率33.3%（14/42）。

The routine axial CT images could only display 58 spondyloschisis in 28 cases and failed to diagnose 14 cases , the missing rate being 33.3 % ( 14 / 42 ) .

Sham手术组为6只，仅切除椎弓。

Six 8-week-old Wistar rats were just subjected to laminectomy of the fifth lumbar spinal vertebra in sham operation group .

方法应用Buck法螺钉固定联合椎板-横突植骨融合，治疗10例合并Ⅰ~Ⅱ度腰椎滑脱的腰椎椎弓峡部断裂。

Methods 10 cases of lumbar spondylolysis with ⅰ ~ ⅱ degree spondylolisthesis were treated with Buck screw fixation and interlaminar and intertransverse bone graft .

Hangman骨折侧方椎弓螺钉固定力学测试

Biomechanical Study of Screw Fixation of Lateral Arch in the Treatment of Hangman ' Fracture

结果：X线、CT表现为椎体高度减低，椎体纵或横形骨折崩解，终板骨折移位并突入椎管，椎管狭窄，椎板骨折，棘突间或椎弓间距增大；

Results : X ray and CT findings were decreased vertebral height , vertically or horizontally burst crack , displaced fractured end plate with protruding into the spinal canal , narrowed canal , laminar fracture , increased interspinous and interpediculate distance .

退变腰椎在手法作用时应力主要集中在L4小关节的下关节突和椎弓，且应力分布集中。

However , the stress mainly distributed in the arch of vertebra and inferior articular process of L4 for degenerative lumbar .

结论后路减压、椎弓钉系统复位内固定、VigorSpacer椎间融合器和小关节突间植骨治疗腰椎滑脱，效果良好，复位稳定满意。

Conclusion Treatment of lumbar spondylolisthesis with decompressive laminectomy , RF - ⅱ instrumentation , posterior interbody fusion Vigor Spacer and bone grafting has excellent clinical results and stable reduction .

结果CT扫描在确定轻度压缩性骨折、外伤性椎间盘突出、确定骨折类型、爆裂性骨折椎管累及的情况、椎弓骨折方面较X线平片有明显的优势。

Results CT Scan has superiority to x-ray plain films in determining the slight fracture 、 the traumatic percutaneous diskectomy 、 the classification of fractures 、 the conditions of vertebral canal was involved in the vertebral column brust fracture 、 vertebral arch fracture .

目的为改善椎弓根螺钉的稳定性，探讨空心侧孔椎弓根螺钉置入时添加聚甲基丙烯酸甲酯（polymethylmethacrylate，PMMA）骨水泥强化椎弓根螺钉固定的生物力学效果。

Objective To evaluate the biomechanical effect of screws with hollow lateral holes infused with polymethylmethacrylate ( PMMA ) in pedicle of vertebral arch in strengthening the fixation .

结论Buck法螺钉固定联合椎板-横突植骨融合技术治疗合并Ⅰ~Ⅱ度以内滑脱的腰椎椎弓峡部裂，手术创伤小，对腰椎生理影响小，疗效可靠。

Conclusions Treatment of lumbar ⅰ ~ ⅱ degree spondylolysis with Buck screw fixation and interlaminar and intertransverse bone graft requires less trauma with less compromise of lumbar physics and can provide reliable effect .