Are nasal endoscopy and laryngoscopy the same?

Generally, nasal endoscopy and laryngoscopy are different. The core distinction lies in the examination site and clinical application. Although both belong to endoscopic examinations, they target distinct anatomical regions and serve different diagnostic purposes. A detailed analysis is as follows:

Nasal endoscopy is primarily used to examine the nasal cavity and the openings of the paranasal sinuses. The instrument's tip is designed to fit the narrow space of the nasal passage, allowing clear visualization of conditions such as nasal mucosal congestion, nasal polyps, and deviated nasal septum. In contrast, laryngoscopy focuses on the pharynx and larynx, including the pharyngeal cavity, laryngeal cavity, and vocal cords. Some laryngoscopes can even observe the upper segment of the trachea. The length and curvature of laryngoscopes differ significantly from those of nasal endoscopes to accommodate the anatomical structure of the throat.

In clinical practice, nasal endoscopy is commonly used to diagnose nasal diseases such as rhinitis, sinusitis, and epistaxis, and certain procedures can be combined with therapeutic interventions. Laryngoscopy, on the other hand, is indicated for symptoms like hoarseness, sore throat, and dysphagia, aiding in the diagnosis of conditions such as pharyngitis, vocal cord polyps, and laryngeal cancer.

Prior to the examination, patients should clearly describe their symptoms to help the doctor choose the appropriate method. During the procedure, it is important to stay relaxed, follow the doctor’s instructions regarding body positioning, and avoid excessive tension.