Title page -- Preface -- Acknowledgements -- Contents -- IRSSD 98 Scientific Sessions -- Adolescent Idiopathic Scoliosis: A Molecular Biologist's View From the Other End of the Pathological Telescope -- Regulation of Spinal Growth and Remodelling -- Session 1: 3-D Imaging and Morphological Aspects of Spinal Deformity -- 3D Reconstructions of the External and Internal Geometries of the Trunk Using Laser and Stereo-Radiographic Imaging Techniques -- Valuation of Body Surface Measurements: Accuracy Rating of Anatomical Landmarks -- Reliability of Rasterstereography of Thoracic Kyphosis -- Relationship of Thoracic Kyphosis to Lumbar Bone Density -- A Correlation Study of Global and Local Descriptors of the Scoliotic Spine Deformity -- Evaluation of a Registration Technique for Intraoperative Tracking of the Spine -- Planes of Maximum Deformity in the Scoliotic Spine -- A Mathematical Model for an Intra-Operative Stereovision System -- Surface Topography and Cobb Angles in Idiopathic Scoliosis -- Clinical Trial Of CPT (Complex Phase Tracing) Profilometry In Scoliosis -- Analysis of Intravertebral Axial Rotation in Adolescent Idiopathic Scoliosis Using Three-Dimensional MRI -- A New Tool by which to VisualiseAdolescent Idiopathic Scoliosis as aContinuous Process -- The Three-Axes Model of Vertebral Column Deformation -- Evaluation of Vertebral Rotation by Ultrasound for the Early Detection of Adolescent Idiopathic Scoliosis -- Functional Classification of Patients with Idiopathic Scoliosis Assessed by the Quantec System: A Discriminate Functional Analysis To Determine the Patient Group With Different Curves -- Analysis of Posterior Trunk Symmetry Index(POTSI) in Scoliosis. Part 1 -- Analysis of Posterior Trunk Symmetry Index(POTSI) in Scoliosis. Part 2 -- Debate 1: Adolescent Idiopathic Scoliosis. Is the Cause Neuromuscular?