1. To evaluate the CT findings of the isthmic defect in the lumbar spine and to discuss the diagnosis as well as differential diagnosis of this abnormality.

2. The impregnated isthmic neurones are categorized into three types based on their dendritic patterns: (1) monopolar neurones, (2) bipolar neurones and (3) multipolar neurones.

3. We present a case report of an isolated isthmic spondylolisthesis in a patient who has never ambulated .

4. The directions and degrees of the lumbar isthmic and degenerative spondylolisthesis had statistically evident difference.

5. Methods 25 cases with lumbar spondylolysis were treated with isthmic debriment, local bone graft and pedicle screw tension band fixation.

6. All trials drew a conclusion that lumbar posterolateral fusion for adult isthmic spondylolisthesis could relieve pain and improve clinical outcome.

7. Methods 26 young cases with lumbar spondylolysis acre treated with isthmic debriment, local bone graft and lamina lag screw fixation.

8. Few publications in the English language literature specifically ealuate the association between the pedicle isthmic widths of the lower thoracic and upper lumbar.

9. Objective To identify the potential relation of geometric characteristics of the lumbar spine to the isthmic spondylolysis and degenerative joints under loading.

10. Objecties. To assess the long-term effects of PLF, AF, or CF for high-grade isthmic spondylolisthesis on lumbar spine in children and adolescents by using MRI.

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

12. Objective: To analyse the parameter of osseous structure such as lumbosacral angle, slipping angle and shearing force angle play roles on progression of isthmic spondylolisthesis in adults.

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13. Conclusion The variation of the disc height, facet-joint angle and the lordosis angle of the intervertebral disc had a manifest influence on the isthmic stress and facet contact force.

14. The blood supplies of oviduct came from oviduct and isthmic branches of uterus artery and oviduct branch of ovarian artery respectively.

15. CONCLUSION. : Disc height and slip percentage had the largest effect on intervertebral foramen area and volume in this model of low-grade, low-dysplasia isthmic spondylolisthesis.

16. Methods 26 young cases with lumbar spondylolysis were treated with isthmic debriment, local bone graft and lamina lag screw fixation.

17. Objectives:To investigate the affection of pelvic anatomy and sagittal balance of the spine to isthmic spondylolisthesis etiology and clinical symptom.

18. She was incidentally found to have a Grade 1 isthmic type of spondylolisthesis.

19. Methods Twenty-four lumbar spondylolysis patients with no vertebral surge were treated with single vertebra reduction fixation and isthmic debridement and bone grafting.

20. Few publications in the English language literature specifically evaluate the association between the pedicle isthmic widths of the lower thoracic and upper lumbar.