salivary glands

Question 1

name the 3 salivary glands in the neck

Answer 1

• parotid
• submandibular
• sublingual

Question 2

largest salivary gland

Answer 2

parotid

Question 3

parotid gland is wrapped around ramus of mandible ___

Answer 3

bilaterally

Question 4

anterior and inferior exit of parotid gland is to __

Answer 4

ext ear

Question 5

___ nerve passes through parotid gland

Answer 5

facial

Question 6

arterial supply for parotid gland is from (2)

Answer 6

ECA and trv facial artery

Question 7

venous drainage of parotid gland via

Answer 7

IJV

Question 8

stensen duct

Answer 8

parotid duct

Question 9

duct that drains saliva from parotid to mouth cavity

Answer 9

parotid duct/ stensen duct

Question 10

stensen duct enters buccinator muscle and opens in buccal mucosa against upper __ molar

Answer 10

2nd

Question 11

first modality to evaluate structural appearance and superficial lesions

Answer 11

US

Question 12

reliably diagnose superficial malignant lesion if increased vascularity and high resistive index

Answer 12

US

Question 13

used if malignancy suspected to evaluate extent and for deeper lesions

Answer 13

CT/MRI

Question 14

intraparotid LN visible in ___ gland

Answer 14

parotid

Question 15

malignant lesions in parotid gland are described as

Answer 15

hypoechoic / hypervascular with high RI

Question 16

limpoma and hemangioma may cause

Answer 16

parotid enlargement

Question 17

infections such as ___ cause parotid enlargement

Answer 17

mumps/ TB/ parodititis

Question 18

80% of parotid enlargements are

Answer 18

benign tumors

Question 19

type of malignant tumor that causes parotid enlargement

Answer 19

mucoepidermoid (duct stone)

Question 20

benign tumors causing parotid enlargement (2)

Answer 20

• pleomorphic adenoma (>50%)

- warthin tumors (10-15%)

Question 21

pleomorphic adenoma sonographic features (key)

Answer 21

• hypoechoic

- spherical/ homogenous

Question 22

calcification and some vascualarity can be found in ___ ademona

Answer 22

pleomorphic

Question 23

type of benign tumor found common in males (50-60)

Answer 23

warthin tumor

Question 24

multifocal, cystic changes, LN like texture due to lymphocytic infiltration

Answer 24

warthin tumor

Question 25

hypo echogenic/ heterogeneous/ solid with poor defined margins, infiltrate locally, calcifications can be seen

Answer 25

muco-epidermoid tumor

Question 26

gland located in the floor of mouth on either side of the body

Answer 26

submandibular

Question 27

___ gland drains saliva from floor of mouth through __

Answer 27

- SMG (submandibular gland) | - duct

Question 28

another name for SMG duct

Answer 28

wharton duct

Question 29

5-6cm long & 1-3mm wide duct that opens at sublingual papilla

Answer 29

wharton // SMG duct

Question 30

probe best for viewing submandibular gland

Answer 30

small intraoral high freq probe

Question 31

congenital epithelial cyst due to failure of obliteration of 2nd branchial cleft

Answer 31

branchial cleft cyst

Question 32

cyst found in 10-40yo

Answer 32

branchial cleft cyst

Question 33

cyst located below angle of mandible and filled with mucoid

Answer 33

branchial cleft cyst

Question 34

posterior enhancement can be seen in __% of cases for branchial cleft cysts

Answer 34

70

Question 35

nerve sheath tumor

Answer 35

neuroma

Question 36

uniform, smooth walled capsulated, echogenic isoechoic, no shadowing and no/ minimal blood flow and compressible

Answer 36

limpoma

Question 37

most common benign tumor compossed of fat or adiposecytes, in 2% of population -intramuscular or retroperitoneal

Answer 37

limpoma

Question 38

treatment of choice for glomus tumor of carotid

Answer 38

surgery

Question 39

arise from the para ganglion cells of carotid body located at carotid bifurcation of the ICA and ECA

Answer 39

glomus tumor of carotid

Question 40

oval, spherical, hypoechoic, heterogeneous with posterior enhancement and no internal vascularity

Answer 40

sebaceous/ epidermal inclusion cyst

Question 41

due to occlusion of pilosebaceous gland, trauma, located on scalp/ face/ trunk and prone to infect

Answer 41

sebaceous / epidermal

Question 42

Illdefined, hypoechoic, heterogeneous mass with cystic spaces. clusters of vascular channels with turbulent flow

Answer 42

AVM (arteriovenous malformation)