Strobovideolaryngoscopy and laboratory voice evaluation.

A complete and thorough vocal history and physical examination is the cornerstone of the evaluation of any patient who has a vocal complaint. Continued scientific progress in the understanding of vocal fold vibration and sound production combined with advances in technology have resulted in the availability of numerous supplemental diagnostic laboratory tools for an optimal voice evaluation. This article presents additional clinical tools accessible to the otolaryngologist that may aid in diagnosis and help elucidate difficult vocal tract pathology.