Laryngology Flashcards
TVF layers
1 - Stratified squamous epithelium 2 - Superficial layer of lamina propria (corresponds to Reinke’s space) 3 - Vocal ligament -- Intermediate layer of lamina propria -- Deep layer of lamina propria 4 - Vocalis muscle
MC site of amyloidosis in airway
larynx
Yellow lesion on posterior one-third of vocal fold with pseudoepitheliomatous hyperplasia
Granular cell tumor
Two occult sites for RRP
Nasopharynx
Undersurface of TVF
MC site of sarcoid
Epiglottis
- appears pale pink, turban-like
RLN paralysis, VF position
Paramedian
Vagal paralysis, VF position
Lateral/intermediate
- hypernasal speech
Airway lengthening techniques
1 - Mobilization after blunt dissection of the larynx and trachea (3 cm
2 - Incision of the annular ligaments on one side of the trachea proximal to the anastomosis and on the opposite side distally (1.5 cm)
3 - Laryngeal release
- Suprahyoid (5cm)
- Infrahyoid (often results in dysphagia)
Gutman sign
SLN paralysis
In the normal individual, lateral pressure over the thyroid cartilage causes an increased voice pitch, whereas anterior pressure causes a decrease
In SLN paralysis, the reverse is true
Venturi jet ventilation, complications
hypoventilation pneumothorax pneumomediastinum subcutaneous emphysema abdominal distention mucosal dehydration distal seeding of malignant cells or papilloma-virus particles
How to test voice in Myasthenia Gravis
Edrophonium (Tensilon test) improves voice fatigue