FN: The Larynx Flashcards Preview

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Flashcards in FN: The Larynx Deck (13):
1

Functions

Phonation
Positive thoracic pressure
Respiration
Prevention of aspiration

2

Laryngitis

Usually viral and self-limiting
Secondary bacterial infection may develop

3

Laryngitis symptoms

Pain hoarseness and fever

4

Laryngitis O/e

Redness and swellin gof the vocal cords

5

Laryngitis Rx

Supportive
Pen V if necessary

6

recurrent laryngeal nerve

Suppliers all intrinsic muscles of the larynx except for cricothyroideus - external branch of sup laryngeal Nerve

Responsible for ab- and ab-uction of vocal folds

7

Symptoms of recurrent laryngeal N. Palsy

Hoarseness
"Breathy" voice with bovine cough
Repeated coughing from aspiration (reduce supraglottic sensation)
Extertional dyspnoea (narrow glottis)

8

Recurrent laryngeal nerve palsy causes

1. 30% are cancers: larynx, thyroid, oesophagus, hypopharynx, bronchus
2. 25% iatrogenic: para-/thyroidectomy, carotid endarterectomy
3. OTher> aortic aneurysm, bulbar/pseudobulbar palsy

9

Laryngeal SCC incidence and associations

2000/yr in uk
Associations: smoking, EtOH

10

Laryngeal SCC presentation

Male smoker
Progressive hoarseness - stridor
Dys/odon-phagia
Wt. los

11

Laryngeal SCC Investigations

Laryngoscopy + biopsy (inc. nodes)
MRI stagingLaryngeal SCC Mx

12

Mx laryngeal SCC

Based on stage
Radiotherapy
Laryngectomy

13

After total laryngectomy

Pts have permanent tracheostomy
- Speech valve
- Electolarynx
- Oseophageal speech (swallowed air)

Regular followup for recurrence

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