Related Experiment Video
Updated: May 11, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
Published on: December 1, 2023
Clinical practice: vocal nodules in dysphonic children
Regina Helena Garcia Martins1, Anete Branco, Elaine Lara Mendes Tavares
1Department of Otorhinolaryngology, São Paulo State University, Botucatu, São Paulo, Brazil. rmartins@fmb.unesp.br
Vocal nodules, a primary cause of childhood dysphonia linked to vocal abuse, require clear diagnosis and treatment. This review synthesizes current knowledge on their clinical, pathological, and epidemiological aspects, alongside diagnostic and treatment controversies.
Area of Science:
- Pediatric Otolaryngology
- Speech-Language Pathology
- Child Health
Background:
- Vocal symptoms are common in children, causing parental concern.
- Vocal nodules are the leading cause of childhood dysphonia.
- These nodules are frequently associated with vocal abuse behaviors.
Purpose of the Study:
- To conduct a comprehensive literature review on vocal nodules in children.
- To elucidate clinical, physiopathological, epidemiological, and histological aspects.
- To discuss diagnostic methods and controversial treatment approaches.
Main Methods:
- Literature review methodology.
- Synthesis of existing research on pediatric vocal nodules.
- Analysis of diagnostic and therapeutic data.
Main Results:
- Vocal nodules are a significant cause of childhood voice disorders.
- Vocal abuse is a key etiological factor.
- Current literature presents varied diagnostic and treatment strategies with areas of controversy.
Conclusions:
- Understanding the multifaceted nature of vocal nodules is crucial for effective management.
- Further research is needed to resolve treatment controversies.
- Improved diagnostic and therapeutic protocols can enhance outcomes for children with dysphonia.
Related Concept Videos
Larynx
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Physical Assessment of the Respiratory Tract IV: Auscultation
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Respiratory System Abnormal Finding II: Palpation and Auscultation
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Physical Assessment of the Respiratory Tract III: Percussion
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
Respiratory System Abnormal Finding I: Inspection and Percussion
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Assessment of Airway, Skin Color, and Use of Accessory Muscles
Introduction
The initial evaluation of a patient's respiratory system...
