1. Micro- or macrodiscotomy for open lumbar disc surgery?

   • J. Krämer

   Guest Editorial Pages: 69 - 70

2. Magnetic resonance imaging findings of the lumbar root pathway in patients over 50 years old

   • K. Sasaki

   Original Articles Pages: 71 - 76

3. Chemonucleolysis: correlation of results with the size of the herniation and the dimensions of the spinal canal

   • C. Garreau
   • I. Dessarts
   • M. Benoist

   Original Articles Pages: 77 - 83

4. Re-exploration of the lumbar spine following simple discectomy: a review of 23 cases

   • T. Shiraishi
   • H. V. Crock

   Original Articles Pages: 84 - 87

5. Variability of geometric measurements from three-dimensional reconstructions of scoliotic spines and rib cages

   • H. Labelle
   • J. Dansereau
   • J. -C. Jéquier

   Original Articles Pages: 88 - 94

6. Vertebral rotation and pedicle length asymmetry in the normal adult spine

   • B. Sevastik
   • B. Xiong
   • I. Suliman

   Original Articles Pages: 95 - 97

7. Fracture pattern and instability of thoracolumbar injuries

   • M. Kifune
   • M. M. Panjabi
   • W. Liu

   Original Articles Pages: 98 - 103

8. Mechanical performance of the Dick internal fixator: a clinical study of 75 patients

   • P. M. Rommens
   • F. Weyns
   • P. L. Broos

   Original Articles Pages: 104 - 109

9. The “mirror image” and “two-thirds” types of hemispherical spondylosclerosis

   • S. W. Dihlmann
   • A. Eisenschenk
   • U. Weber

   Original Articles Pages: 110 - 113

10. New means in spinal pedicle hook fixation

    • U. Berlemann
    • P. Cripton
    • F. Schläpfer

    Original Articles Pages: 114 - 122

11. Combined anterior and posterior resection and spinal stabilization for aneurysmal bone cyst

    • H. Mehdian
    • C. Weatherley

    Case Report Pages: 123 - 125

12. Kinematics of cervical spine injury

    • L. Penning

    Ideas and Technical Innovations Pages: 126 - 132

13. Announcements

    Announcement Pages: 133 - 133

14. Society news

    News Pages: 134 - 134