Current role of stroboscopy in laryngeal imaging.

Area of Science:

• Otolaryngology
• Medical Imaging
• Speech Science

Background:

• Laryngeal imaging is crucial for voice assessment.
• Stroboscopy has been a standard tool for visualizing vocal fold vibration.
• Technological evolution necessitates re-evaluation of imaging modalities.

Purpose of the Study:

• To review recent technological advancements in laryngeal imaging.
• To clarify the role of stroboscopy in current clinical practice.
• To explore the potential of alternative imaging techniques.

Main Methods:

• Review of recent literature on stroboscopy and laryngeal imaging.
• Analysis of technological improvements and their impact on image quality.
• Comparison of stroboscopy with emerging technologies like high-speed videoendoscopy (HSV).

Main Results:

• Stroboscopic technology has seen refinements in application rather than major overhauls.
• High-definition cameras enhance spatial resolution in stroboscopic imaging.
• High-speed videoendoscopy (HSV) demonstrates higher sensitivity for detecting vocal fold phase asymmetry.
• Interrater reliability in stroboscopic assessment varies by feature, suggesting potential for streamlined evaluation.
• Laryngeal videostroboscopy remains a cornerstone of clinical voice assessment.

Conclusions:

• Laryngeal videostroboscopy is the current gold standard for imaging vocal fold vibration.
• Technological progress in HSV is increasing interest in its clinical integration.
• HSV may offer complementary insights, pending resolution of practical and technical challenges.