Head and Neck

Question 1

nose polyp with narrow stalk

Answer 1

antrochoanal polyp

Question 2

nasal cavity polyp with thick eosinophilic basement membrane

Answer 2

Respiratory epithelial adenomatoid hamartoma

Question 3

Syndrome associated with nasopharyngeal angiofibroma

Answer 3

Gardner syndrome

Question 4

Middle ear tumors (5)

Answer 4

Paraganglioma,
Neuroendocrine adenoma of middle ear,
Meningioma,
Endolymphoatic sac tumor,
Cholesteatoma

Question 5

Salivary gland tumors with papillary architecture (3)

Answer 5

Mammary analog secretory carcinoma,
Acinic cell carcinoma,
Papillary adenoma

Question 6

Congenital granular cell epulis

Answer 6

infants, S100-, granular cells

Question 7

Oral hairy leukoplakia

Answer 7

EBV +, bilateral lateral tongue, balloon cells, HIV assd

Question 8

Melanocytic neuroectodermal tumor of infancy (MNTI)

Answer 8

Maxilla of babies, biphasic desmplastic, alveolar structures are pigmented (CK+, melanocytic+), small neuroblastic cells in center (CD56+, NSE+)

Question 9

Bilateral parotid tumors (4)

Answer 9

Warthin,
PA,
Acinic cell carcinoma,
lymphoepithelial cyst

Question 10

Odontogenic keratocyst

Answer 10

Glorlin syndrome,
basal palisading,
usually associated with impacted tooth

Question 11

Ameloblastoma

Answer 11

basal palisading, reverse polarization,

stellate reticulum

Question 12

Syndrome assd with membranous pattern of basal cell adenoma

Answer 12

Brook-Spiegler syndrome

Question 13

Translocation in MASC

Answer 13

t(12;15)