Last reviewed 01/2018
- dysphonia (1)
- is an abnormality in voice quality
- is also described as hoarseness .
- the patient may describe loss
of voice quality in many different ways
- the voice quality that may be
described and their differential diagnosis are as follows:
- vocal cord paralysis, abductor spasmodic dysphonia, functional dysphonia
- vocal cord lesion, muscle tension dysphonia, reflux laryngitis
- adductor spasmodic dysphonia, muscle tension dysphonia, reflux laryngitis
- Reinke's oedema, vocal abuse, reflux laryngitis, vocal cord paralysis, muscle tension dysphonia
- Parkinson's disease, essential tremor of the head and neck, spasmodic dysphonia, muscle tension dysphonia
- muscle tension dysphonia, vocal cord paralysis, reflux laryngitis, vocal abuse
- the voice quality that may be described and their differential diagnosis are as follows:
- in most cases, hoarseness is a relatively benign symptom of voice overuse or the result of laryngitis.
- however, hoarseness that persists for more than three weeks must be considered to be a laryngeal carcinoma until proven otherwise, and requires an urgent referral to an ENT department.
- the causes of hoarseness include (1)
- vocal cord polyps, vocal cord nodules, vocal cord granulomas, vocal cord cyst, laryngeal papilloma, squamous cell cancer of the larynx
- gastroesophageal reflux laryngitis, viral laryngitis, bacterial laryngitis, tubercular or fungal laryngitis,allergic laryngitis
- vocal cord paralysis (unilateral),spasmodic dysphonia,movement disorder (Parkinson's disease),essential tremor,cerebrovascular accident
- vocal abuse, vocal cord atrophy, vocal cord scarring, hypothyroidism
(myxedematous laryngitis), muscle tension dysphonia, Reinke's oedema,drugs
- vocal abuse, vocal cord atrophy, vocal cord scarring, hypothyroidism (myxedematous laryngitis), muscle tension dysphonia, Reinke's oedema,drugs