section I. Basic laser science -- section II. Transoral Laser laryngeal surgery -- section III. Lasers in endonasal surgery -- section IV. Lasers in otology -- section V. Oropharyngeal and head & neck surgery -- section VII. Snoring and sleep apnoea -- section VIII. Lasers in lower airways -- section IX. Lasers in chronic tropical inflammatory diseases in otolaryngology -- section X. Emerging trends in laser applications -- section XI. Future developments in laser applications -- section XII. Appendices.