Vocal nodules occur due to overtaxing and incorrect use of the voice.
Incidence and Aetiology of Vocal Nodules
Age: Usually occur after puberty
Sex: More common in females
What are the causes of Vocal Nodules?
Vocal abuse : Screaming, shouting, continuous loud talking, forceful throat clearing etc.This is seen in Seen in untrained singers, teachers, hawkers etc.
Vocal misuse : This means talking in inappropriate pitch and loudness.
Pathology of Vocal Nodules
Vocal nodules usually occur on both cords at the junction of anterior and middle one third.
In children and adolescents, the misuse of voice leads to spindle-shaped thickening at the edges of the vocal cords.
In adults, the swellings are more localized forming vocal nodules.
The epithelium over the edges of the vocal cords undergoes hyperkeratosis resulting in a disturbed mucosal wave.
Microscopically, there is submucous transudation followed by ingrowth of vessels and fibrous organization.
What are the clinical features of vocal nodules?
Hoarseness of voice as the nodules interfere with vibrations of vocal cord
Vocal fatigue
Inability to sing too high or low tones
Indirect laryngoscopy reveals symmetrical small nodules
What is the treatment of vocal nodules?
Medical treatment:
Voice rest and Vocal hygiene
Voice therapy
Steam inhalation helps to reduce edema around vocal cords in cases of laryngitis
Surgical treatment:
This is the treatment of choice for well-formed vocal nodules