Hoarseness Flashcards
What is acute onset of hoarseness usually caused by?
Local inflammation of the larynx e.g. laryngitis
What should always be considered in chronic progressive hoarseness?
Malignant process
Important investigations in hoarse patient? (3)
Thyroid function tests
CXR
Direct laryngoscopy
Which thyroid derangement causes hoarseness?
Hypothyroidism
Extrinsic (i.e. outside the larynx) causes of hoarseness? (4)
Mediastinal masses
Hypothyroidism
Acid reflux
Post-nasal drip
Intrinsic causes of hoarseness? (6)
Acute viral laryngitis Vocal abuse Nodules/polyps Laryngeal cancer Vocal cord paralysis "Hysterical aphonia"
Vocal cords are supplied by which nerve?
Vagus nerve via the recurrent laryngeal nerve
Red flags for laryngeal carcinoma?
History of smoking Hoarseness lasting longer than 3 weeks Dysphagia Neck lump Persistent cough
Aetiology of vocal cord palsy? (5)
Malignancy (30%)- [neck, thyroid, bronchus, oesophagus, nasopharynx]
Iatrogenic (25%) due to surgery
External trauma
Idiopathic
Neurological conditions e.g. MND, myasthenia