............................................................................................................ i! Declaration by author ..................................................................................................... iii! Publications during candidature ..................................................................................... iv! Peer-reviewed journal articles ......

Acknowledgements Many thanks to Doc. RNDr. Roman Barták, PhD. for patient and systematic guidance in creation of this Ph.D. thesis.

OF THE THESIS..............................................................................ii DEDICATION.......................................................................................................iii ACKNOWLEDGEMENTS...................................................................................iv TABLE OF CONTENTS......................................................................

................................................................ iii Acknowledgements................................................... iν List of Tables ......................................................... ix List of Figures ........................................................ xii Statement of Candidate Contribution............................ xiv CHAPTER ONEIntroduction................

................................................................................................. iii Preface ..................................................................................................... v List of appended papers ........................................................................ vii Related Publications not included in this thesis ....................................

ii I dedicate my thesis to my loving parents who have always stood by my side. iii ACKNOWLEDGEMENTS

................................................................................ 10 DECLARATION........................................................................... 12 COPYRIGHT STATEMENT............................................................... 12 ABBREVIATIONS AND ACRONYMS.................................................. 13 PUBLICATIONS BASED ON THE THESIS............................

7 Introduction 8 Aims of the thesis 10 Summary of papers 11 Surgical technique 27 Methods 29 Clinical and radiological follow up 30 Discussion 31 Clinical recommendations 37 Conclusion 38 Abstract in Swedish 39 Acknowledgements 40in Swedish 39 Acknowledgements 40 References 41 Appendices 44

Acknowledgements Firstly, I would like to thank my supervisor, Dr David R. Kohel whose many helpful comments and patient guidance made this thesis possible. Secondly, I would like to thank David Gruenwald for volunteering his time to proofread this thesis. Almost all of his recommendations were taken on board. This thesis is the better for it. To a less extent, my thanks go to the IT school of ...

i Acknowledgements viii Statement of candidate’s contributions ix Publications arising from this thesis x A note about the demonstration movies xi