Abstract
A review of laryngeal endoscopy in diagnosis and treatment of head and neck problems is presented. The review includes the historical development of optical endoscopes used to observe the larynx with emphasis on the technological advances in the last fifteen years that have facilitated the routine introduction of endoscopy into laryngeal practice is discussed. The development and consolidation of high quality laryngeal telescopes and fiberscopes, strong cold light sources, and video documentation are also described. Based on literature review and personal experience, the authors conclude that : (1) the 60 degree forward oblique viewing telescope allows close-up observation of the larynx and endolaryngeal microsurgical manipulation perorally with excellent image, (2) the flexible fiberscope is easily employed in pediatric and adult cases pernasally and perorally; and (3) for examining dysphonias, laryngeal stroboscopy is an easy and practical examination procedure when coupled with appropriate endoscopes, a strong stroboscopic light source and high quality CCD color video camera and recording system.
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