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IMG1016: superficial structures > salivary glands > Flashcards

salivary glands Flashcards

1
Q

name the 3 salivary glands in the neck

A
  • parotid
  • submandibular
  • sublingual
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2
Q

largest salivary gland

A

parotid

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3
Q

parotid gland is wrapped around ramus of mandible ___

A

bilaterally

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4
Q

anterior and inferior exit of parotid gland is to __

A

ext ear

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5
Q

___ nerve passes through parotid gland

A

facial

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6
Q

arterial supply for parotid gland is from (2)

A

ECA and trv facial artery

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7
Q

venous drainage of parotid gland via

A

IJV

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8
Q

stensen duct

A

parotid duct

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9
Q

duct that drains saliva from parotid to mouth cavity

A

parotid duct/ stensen duct

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10
Q

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

A

2nd

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11
Q

first modality to evaluate structural appearance and superficial lesions

A

US

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12
Q

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

A

US

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13
Q

used if malignancy suspected to evaluate extent and for deeper lesions

A

CT/MRI

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14
Q

intraparotid LN visible in ___ gland

A

parotid

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15
Q

malignant lesions in parotid gland are described as

A

hypoechoic / hypervascular with high RI

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16
Q

limpoma and hemangioma may cause

A

parotid enlargement

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17
Q

infections such as ___ cause parotid enlargement

A

mumps/ TB/ parodititis

18
Q

80% of parotid enlargements are

A

benign tumors

19
Q

type of malignant tumor that causes parotid enlargement

A

mucoepidermoid (duct stone)

20
Q

benign tumors causing parotid enlargement (2)

A
  • pleomorphic adenoma (>50%)

- warthin tumors (10-15%)

21
Q

pleomorphic adenoma sonographic features (key)

A
  • hypoechoic

- spherical/ homogenous

22
Q

calcification and some vascualarity can be found in ___ ademona

A

pleomorphic

23
Q

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

A

warthin tumor

24
Q

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

A

warthin tumor

25
Q

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

A

muco-epidermoid tumor

26
Q

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

A

submandibular

27
Q

___ gland drains saliva from floor of mouth through __

A
  • SMG (submandibular gland)

- duct

28
Q

another name for SMG duct

A

wharton duct

29
Q

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

A

wharton // SMG duct

30
Q

probe best for viewing submandibular gland

A

small intraoral high freq probe

31
Q

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

A

branchial cleft cyst

32
Q

cyst found in 10-40yo

A

branchial cleft cyst

33
Q

cyst located below angle of mandible and filled with mucoid

A

branchial cleft cyst

34
Q

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

A

70

35
Q

nerve sheath tumor

A

neuroma

36
Q

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

A

limpoma

37
Q

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

A

limpoma

38
Q

treatment of choice for glomus tumor of carotid

A

surgery

39
Q

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

A

glomus tumor of carotid

40
Q

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

A

sebaceous/ epidermal inclusion cyst

41
Q

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

A

sebaceous / epidermal

42
Q

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

A

AVM (arteriovenous malformation)

IMG1016: superficial structures (9 decks)

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