Nasopharynx & Larynx - Pathoma Flashcards
What is rhinitis?
inflammation of nasal mucosa
What is the most common cause of rhinitis?
Adenovirus
What is the classical presentation of rhinitis?
- Sneezing
- Congestion
- Runny nose
What is allergic rhinitis?
inflammation of nasal mucosa due to Type I Hypersensitivity Reaction
(e.g. to pollen)
What is allergic rhinitis associated with?
Eczema & Asthma
What characterizes the pathology of allergic rhinitis?
inflammatory infiltrate with eosinophils
Patients with repeated rhinitis infections can develop what?
Nasal polyps
What is a nasal polyp?
protrusion of inflammed and edematous mucosa
What condition is associated with children with nasal polyps?
Cystic fibrosis
What conditions is associated with nasal polyps in adults and is a triad of asthma, aspirin-induced bronchospasm, and nasal polyps?
Aspirin-Intolerant Asthma
What is an Angiofibroma?
benign tumor of nasal mucosa composed of large blood vessels and fibrous tissue
What patient population are Angiofibromas most commonly seen in?
adolescent males
How do patient’s with Angiofibromas typically present?
profuse epistaxis
What is Nasopharyngeal Carcinoma?
malignant tumor of nasopharyngeal epithelium
What disease is associated with nasopharyngeal carcinomas?
Epstein Barr Virus
What two patient populations are nasopharyngeal carcinomas most commonly seen in?
African children and Chinese young adults
What is the classic presentation of nasopharyngeal carcinoma?
chinese adults with enlarged cervical lymph nodes
What is seen on biopsy of a nasopharyngeal carcinoma?
Pleomorphic keratin-positive epithelial cells in a background of lymphocytes
What is the most common cause of Acute Epiglottitis?
H. influenza type B (especially in children nonimmunized and immunized children)
What is the classical presentation of Acute Epiglottitis?
- High fever, sore throat, drooling with dysphagia
- Muffled voice
- Inspiratory stridor
- **Risk of acute airway obstruction
What is laryngotracheobronchitis?
Croup
What is the most common cause of laryngotracheobronchitis?
Parainfluenza virus
What do vocal cord nodules arise due to?
Excessive use (usually bilateral)
What are vocal cord nodules composed of?
degenerative (myxoid) connective tissue