Head and Neck

Question 1

Cyst that originates around the crown of an unerupted tooth, esp impacted 3rd molar

Answer 1

Dentigerous cyst

Question 2

Odontogenic tumor that has no ectomesenchymal differentiation

Answer 2

Ameloblastoma

Question 3

Most common type of odontogenic tumor; show extensive deposition of enamel and dentin

Answer 3

Odontoma

Question 4

Focal protrusions of nasal mucosa usually d/t recurrent rhinitis; edematous mucosa w/ loose stroma

Answer 4

Nasal polyps

Question 5

Nasopharyngeal CA is assoc w/ what viral infx?

Answer 5

EBV

Question 6

Carcinoma w/ Syncytium-like array large epithelial cells admixed w/ lymphocytes

Answer 6

Nasopharyngeal CA

Question 7

Smooth, rounded sessile or pedunculated excrescences located usually on the true vocal cords; singer’s nodules

Answer 7

Reactive nodules and polyps

Question 8

Loose myxoid Ct arising in vocal cords

Answer 8

Vocal cord nodules

Question 9

95% cancer of the head and neck; involves desmoplasia

Answer 9

Squamous cell CA