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
This is inflammation of the upper airway, usually caused by parainfluenza virus.
laryngotracheobronchitis aka croup
This is inflammation of the epiglottis usually cause by H. influenza type B.
acute epiglottitis
What biopsy findings will be seen in laryngeal papilloma? Why?
- koilocytic change
- caused by HPV 6 and 11
What causes a vocal cord nodule?
excessive use/wear and tear
Laryngeal papilloma benign papillary tumor presenting as a ____ tumor in adults and _____ tumor in children.
- single = adults
- multiple = children
What is the difference btw laryngeal papilloma in an adult vs a child?
- adults have a single lesion
- children have many
What is another name for laryngotracheobronchitis?
croup
