Salivary Gland Tumors

Question 1

Most common salivary gland tumor benign

Answer 1

Pleomorphic adenoma

Question 2

Pleomorphic adenoma common site

Answer 2

85 % in parotid extraorally, if intra oral then posterior palate

Question 3

Slowly growing, painless and firm mass, smooth and lobulated, on parotid swelling overlying the mandibular ramus

Answer 3

Pleomorphic adenoma

Question 4

3-4% of Pleomorphic adenoma can go under malignant transformation into

Answer 4

Carcinoma ex Pleomorphic adenoma

Question 5

Tumors showing more uniform histological pattern

Answer 5

Monomorphic adenoma

Question 6

Benign salivary gland tumor found on parotid gland, upper lip and buccal mucosa, slow growing, movable mass less than 3 cm, older females histologically basal cell epidermis like

Answer 6

Basal cell adenoma

Question 7

Uncommon tumor that only occurs in minor salivary glands

Answer 7

Canalicular adenoma

Question 8

Single layered cords if columnar or cuboidal epithelium, they enclose ductal structures to form long canals

Answer 8

Canalicular adenoma

Question 9

Benign neoplasm that occurs almost exclusively in the parotid gland

Answer 9

Warthin’s tumor/ papillary cystadenoma lymphomatosum

Question 10

2nd most common salivary gland tumor, older males

Answer 10

Warthin’s tumor

Question 11

Glandular and cystic tumor lined by bilayered epithelium with lymphoid stroma

Answer 11

Warthin’s tumor

Question 12

Ductal epithelium and lymphoid stroma, multiple papillary infoldings that protrude into cystic spaces

Answer 12

Warthin’s tumor

Question 13

Benign salivary gland tumor comprise 85% of

Answer 13

Parotid tumors

Question 14

Malignant salivary gland tumors comprise 45% of

Answer 14

Minor salivary glands

Question 15

Rare but aggressive parotid gland tumors, pain or facial weakness, firm mass irregular borders and infiltration into surrounding tissue, solid tumor without any cystic spaces

Answer 15

Adenocarcinoma

Question 16

Adenoid cystic carcinoma common in

Answer 16

40-45% in minor salivary glands of palate

Question 17

Cribriform, swiss cheese, tubular, solid, perineural invasion causing pain, metastases to lungs , bone and brain

Answer 17

Adenoid cystic carcinoma

Question 18

Most common malignant tumor on minor and major salivary glands

Answer 18

Mucoepidermoid carcinoma

Question 19

Most common and 2nd most common sites for mucoepidermoid carcinoma

Answer 19

Parotid and palate

Question 20

Mucus cells and epidermoid cells

Answer 20

Mucoepidermoid carcinoma

Question 21

2nd most common parotid malignancy and second most common pediatric salivary gland malignancy

Answer 21

Acinic cell carcinoma

Question 22

Carcinoma from epithelial component of a pre-existing pleomorphic adenoma

Answer 22

Malignant mixed tumors

Question 23

Both stromal and epithelial elements

Answer 23

Carcinosarcoma ( true malignant mixed tumor)

Question 24

Second most common malignancy in minor salivary glands, palate lip and buccal mucosa

Answer 24

Polymorphous low grade adenocarcinoma