[Present day diagnosis of voice disorders in children]

Videoendostroboscopy (VESS) was employed for diagnosis of vocal dysfunction in 369 children aged 6 to 16 years. Effects of flexible and hard endoscopes were compared. Vibratory cycle was analyzed in 55 healthy children of different age. Diagnosis and differential diagnosis of soft and hard nodules, physiological and long-term mutation, chronic laryngitis are described as well as a videoendostroboscopic picture in functional dysphonias, vocal grooves and polyps. VESS is a modern, informative and safe diagnostic procedure.