Endoscopic evaluation of the upper aerodigestive tract is crucial in establishing a definitive diagnosis. The equipment used consists of both rigid and flexible laryngoscopes, bronchoscopes, and ...

A laryngoscopy allows doctors to investigate the larynx, or “voice box.” It can help determine the cause of certain symptoms, such as changes to the voice, difficulties breathing or swallowing, or a ...

Based on: Hand-Book of Diagnosis and Treatment of Diseases of the Throat and Nasal Cavities. By Carl Seiler, M. D., Lecturer on Laryngoscopy at the University of Pennsylvania, etc. Philadelphia: Henry ...