non-odontogenic cysts Flashcards Preview

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Flashcards in non-odontogenic cysts Deck (22):
1

most common non odontogenic cyst

np duct cyst

2

radiographic appearance of np duct cyst

radiolucent
well circumscribed
round/oval
inverted pear
heart shape

3

tx of np duct cyst

surgical excision, biopsy

4

pseudocysts are also known as

tarumatic bone cysts or idiopathic bone cavity

5

what is an idiopathic bone cavity

cavity inside the bone, usually filled with fluid (sero-sanguinolent), or air without a lining

6

classic features of idiopathic bone cavity

thin cortication
post mandible
young person
scalloping bt teeth
no epithelium

7

tx of idiopathic bone cavity

surgical exploration, will heal in 6 mo

8

stafne bone cyst

not a true cyst
concavity on the ling surface of the mand
submand gland has grown and made a concavity in the mand

9

what does a stafne bone cyst look radiolucent

the bone is so thin there

10

where is a stafne bone cyst usually

below the IA

11

t/f a stafne bone cyst is corticated

yes. thick corticaiton

12

tx for stafne bone cyst

none

13

where does the pseudostrat columnar epithelium deposit mucus

non top of the epithelium

14

typical causes for inflammation of the sinus/mucositis

allergy, irritation, foreign bodies, trauma

15

t/f sinusitis and mucositis are the same

false. mucositis is localized, sinusitis is generalized, involving more than 1 paranasal sinus

16

tx of sinusitis

benedryl, control infection, relieve pain, surgery

17

what is a mucous retention pseudocyst

blockage of seromucous glands in the sinus mucos and the mucous deposits below the epithelia

18

what does a mucous retention cyst look like radiographically

radiopaque dome shaped swelling in sinus
well defined
smooth
sessile
(submucosal accumulation of secretions)

19

branchial cleft cyst

developmental cyst of the lat neck

20

branchial cleft cysts are remnants of what branchial arch

second

21

thyroglossal duct cyst

when thyroid gland traps epithelium on its way down from the foramen cecum

22

dermoid cyst is located where

floor of the mouth