Nasopharynx

Question 1

Conditions of the nasopharynx

Answer 1

Inflammatory
1. Pharyngitis, tonsilitis

Neoplastic

1. Juvenile Angiofibroma
2. Nasopharyngeal Carcinoma

Question 2

Features of inflammatory conditions of the nasopharynx

Answer 2

• cause: viral, bacterial

- complications: Strep pyogenes pharyngitis may lead to ARF, AGN

Question 3

Features of juvenile angiofibroma

Answer 3

• rare tumour in male adolescents
• benign but may grow quickly during puberty
• frequently ulcerate & present with bleeding (highly vascular)

Question 4

Risk factors of nasopharyngeal carcinoma

Answer 4

1. EBV infection at a young age
2. Salt-preserved food
3. Family history

Question 5

Histological types of nasopharyngeal carcinoma (3)

Answer 5

1. Keratinising squamous cell carcinoma (Type I)
2. Non-keratinising carcinoma - differentiated (Type II)
3. Non-keratinising carcinoma - undifferentiated (Type III) (>95% of NPC)

Question 6

Clinical presentations of nasopharyngeal carcinoma (4)

Answer 6

1. Hearing loss & tinnitus - obstruction to Eustachian tube, secretory otitis media
2. Diplopia - invasion of CN VI
3. Nasal obstruction, epistaxis, serous nasal discharge
4. Metastases in cervical lymph nodes