videostroboscopy
videostroboscopy
A technique that provides a magnified, slow-motion view of the vocal cords during phonation, which allows doctors and speech language pathologists to assess numerous parameters (e.g., abnormal motion of the vocal cords), as well as directly visualise lesions on the cord.Method
The larynx is imaged stroboscopically and recorded on videotape while the patient is instructed to produce various types of sound for different lengths of time.