Pulmonary: 9.2: Larynx Flashcards
What are the risk factors for laryngeal carcinoma?
- EtOH
- tobacco
What is laryngotracheobronchitis/croup?
- inflammation of the upper airway
- usually caused by parainfluenza virus
How does acute epiglottitis present?
- high fever
- sore throat
- muffled voice
- drooling with dysphagia
- inspiratory stridor
What kind of cell lines the vocal cords?
Squamous epithelium
How do pts with vocal cord nodules present?
- hoarseness that resolves with rest
- bilateral vocal cord nodules
Why is acute epiglottitis an emergency?
risk of acute airway obstruction
What is a laryngeal carcinoma?
a squamous cell carcinoma arising from the lining of the vocal cord
Rarely, laryngeal papilloma can progress into ______.
laryngeal carcinoma
What is a benign tumor of the vocal cords called?
- laryngeal papilloma
Why is acute epiglottitis a medical emergency?
risk of acute airway obstruction- must protect the airway!
How does laryngeal papilloma present?
- hoarseness
- single lesion in adults
- multiple lesions in children
How does laryngotracheobronchitis/croup present?
with a hoarse, barking cough and inspiratory stridor
What is acute epiglottitis?
inflammation of the epiglottis usually cause by H. influenza type B
How does laryngeal carcinoma present?
- hoarseness
- can also include:
- cough
- stridor
What usually causes laryngotracheobronchitis/croup?
parainfluenza virus
What are vocal cord nodules made of?
- degenerative (myxoid) CT
Is there a risk of malignant transformation with laryngeal papilloma? Why or why not?
- Yes
- caused by HSV 6 and 11 –> can progress to laryngeal carcinoma
Who usually gets acute epiglottitis?
nonimmunized children
What causes laryngeal papilloma?
HPV 6 and 11
Dx? Cause?
- high fever
- sore throat
- muffled voice
- drooling with dysphagia
- inspiratory stridor
- acute epiglottitis
- cause = H influenza type B
What disease presents with a hoarse, barking cough, and inspiratory stridor?
- laryngotracheobronchitis aka croup
What is laryngeal papilloma?
a benign tumor of the vocal cords
This is a squamous cell carcinoma arising from the lining of the vocal cord.
laryngeal carcinoma
What is another name for croup?
laryngotracheobronchitis