Pulmonary: 9.1: Nasopharynx Flashcards
DX?
- teenage male
- repeated, profuse nosebleeds
angiofibroma
What is the most common cause of rhinitis?
adenovirus
How does rhinitis present?
- sneezing
- congestion
- runny nose
- aka the common cold
What should be biopsied to detect nasopharyngel carcinoma?
cervical lymph nodes
_____ is the intermediate filament in epithelial cells.
Keratin
What is a nasopharyngeal carcinoma?
- a malignant tumor of the nasopharyngeal epi
- from EBV
- seen in African children and Chinese adults
- enlarged cervical lymph nodes
What kind of cell lines the nasal mucosa?
respiratory epi
Nasal polyps can be seen in ____, _____, and ____ patients.
- repeated rhinitis
- cystic fibrosis
- ASA-intolerant asthma
What is the triad of aspirin-intolerant asthma?
- asthma
- aspirin-induced bronchospasm
- nasal polyps
What is inflammation of the nasal mucosa called?
rhinitis
What is a nasal polyp?
a protrusion of edematous, inflamed nasal mucosa
This is a malignant tumor of the nasopharyngeal epi.
nasopharyngeal carcinoma
A sample from a cervical lymph node shows pleomorphic keratin-positive epi cells in a background of lymphocytes.
- Dx?
nasopharyngeal carcinoma
What is allergic rhinitis?
rhinitis due to a type I hypersensitivity reaction (usually to pollen, etc)
How do angiofibromas present?
profuse epistaxis in an adolescent male
What is an angiofibroma?
- a benign tumor of the nasal mucosa
- composed of large BVs and fibrous tissue
Who gets angiofibromas?
adolescent males
If you see nasal polyps in a child, think _____.
cystic fibrosis
Nasopharyngeal carcinoma is associated with _____.
Epstein-Barr virus (EBV)
This is a benign tumor of the nasal mucosa composed of large BVs and fibrous tissue.
angiofibroma
Repeated bouts of rhinitis can lead to _____ formation.
polyp
What is rhinitis?
inflammation of the nasal mucosa
This is a protrusion of edematous, inflamed nasal mucosa.
nasal polyp
What characterizes allergic rhinitis?
- inflammatory infiltrates with eosinophils
- usu. assoc. with asthma and eczema
Who gets nasopharyngeal carcinoma?
- African children
- Chinese adults
What other conditions is allergic rhinitis associated with?
- asthma
- eczema
This is a rhinitis due to a type I hypersensitivity reaction (usually to pollen, etc).
allergic rhinitis
What will the biopsy show that is diagnostic for nasopharyngeal carcinoma?
pleomorphic keratin-positive epi cells in a background of lymphocytes
What do repeated rhinitis, cystic fibrosis, and ASA-intolerant asthma patients have in common?
they can develop nasal polyps
