ENT ENT Head and Neck Oncology 1

Question 1

What is the most common malignant tumor of the parotid gland?

Accepted Answer

Mucoepidermoid carcinoma

Answer

Mucoepidermoid carcinoma is the most common malignant salivary gland tumor overall and the most frequent malignancy of the parotid gland, classified as low, intermediate, or high grade.

Question 2

Nasopharyngeal carcinoma is strongly associated with which viral infection?

Accepted Answer

Epstein-Barr virus (EBV)

Answer

Epstein-Barr virus (EBV) is strongly associated with nasopharyngeal carcinoma, particularly the undifferentiated WHO type III subtype endemic in Southeast Asia and southern China.

Question 3

Which is the most common site of squamous cell carcinoma within the oral cavity?

Accepted Answer

Lateral border of the tongue

Answer

The lateral border of the tongue is the most common site for oral cavity squamous cell carcinoma, accounting for approximately 40% of all oral cavity cancers.

Question 4

What is the preferred treatment for T1N0 glottic (true vocal cord) carcinoma?

Accepted Answer

Radiation therapy or transoral laser excision

Answer

Early-stage T1N0 glottic carcinoma has excellent cure rates with either radiation therapy or transoral laser microsurgery, both of which preserve voice function.

Question 5

Perineural invasion in head and neck cancers is most classically associated with which salivary gland tumor type?

Accepted Answer

Adenoid cystic carcinoma

Answer

Adenoid cystic carcinoma has a strong predilection for perineural invasion, causing skip lesions along nerve sheaths and contributing to its high rate of late recurrence.

ENT - Ear, Nose, and Throat Specialist Certification Practice Test

ENT - Ear, Nose, and Throat Specialist Certification Practice Test

ENT ENT Head and Neck Oncology 1