Causes of chronic laryngitis
Some causes of chronic laryngitis include: (1)
- inflammatory
- allergic
- findings are non specific and hard to differentiate from laryngopharyngeal reflux
- larynopharyngeal reflux
- patients may present with non-specific laryngeal manifestations, such as hoarseness, dysphagia, odynophagia, globus pharyngeus, chronic cough, and throat clearing.
- pathophysiology differs from gastro-oesophageal reflux disease (GORD)
- management centres on anti-reflux treatment
- allergic
- autoimmune
- rheumatoid arthritis (RA)
- laryngeal symptoms are reported between 30% and 75% of patients with RA
- mucous membrane pemphigoid
- rheumatoid arthritis (RA)
- granulomatous
- sarcoidosis
- non-specific laryngeal symptoms
- recurrent laryngeal nerve palsy (due to mediastinal lymphadenopathy) may cause dysphonia
- on examination there may be oedematous laryngeal mucosa, with supraglottis being the most commonly involved site, vocal folds are rarely involved
- diagnosis confirmed by biopsy
- requires corticosteroids; or more rarely intralesional injections or laser resection
- sarcoidosis
Reference:
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