Radiology Q8: Odontogenic Cyst Pt 1 (For Midterm)

Front 1

rarefying osteitis

Back 1

can be:
-cyst
-granuloma
-abcess

Front 2

what must be as'ed w/ a necrotic tooth?

an impacted tooth?

Back 2

-radicular cyst

-dentigerous cyst

Front 3

what can originate from lining of dentigerous cyst

Back 3

-ameloblastoma
-squamous cell carcinoma

Front 4

OKC:
# of lobes
RL/RO?
DD

Back 4

-usually multi, can be uni
-RL surrounded by RO
-causes less expansion than dentigerous cyst

Front 5

Ameloblastic fibroma:
easily confused w/ ____, why

Back 5

-dentigerous c., since both are as'ed w/ impacted tooth
-AF happens in younger pts (10-30yo). DCs are more common

Front 6

lateral periodontal cyst:
age
demographic
area
growth
expansile?
symptomatic?

Back 6

-50-70yo
-mostly white males
-usually mand premolar/canine/lat inc area
-slow growth
-no
-usually no

Front 7

cyst related to tooth that tests nonvital is usually

Back 7

-radicular cyst

Front 8

Bohn's nodules:
what
color
frequency
result of

Back 8

-gingival cysts of newborn
-white/yellowish
-90% of newborns
-cystic degeneration of epithelial rests of dental lamina (rests of Serres)

Front 9

_______ ds can present with multiple eruption cysts. Other dental abnormalities include delayed tooth eruption, prognathia, apentognatia, generalized gingival swelling, and high arched palate

Back 9

-kinky hair ds

Front 10

what med can cause eruption cyst

Back 10

-cyclosporin A

Front 11

adult gingival cyst:
location
connected to
may be superficial version of

Back 11

-premolar/canine area. intraosseous.
-periodontium
-lateral periodontal cyst

Front 12

lateral perio cyst:
arise from cystic degeneration of

Back 12

-clear cells of dental lamina

Front 13

Lat perio cyst:
delineation
size, shape
RL/RO?
symptoms?

Back 13

-well delineated
-small (<1cm), round
-RL w/ RO border
-no

Front 14

Lat perio cyst:
PDL?
root of as'ed tooth
necrotic?

Back 14

-normal
-normal
-no

Front 15

botryoid odontogenic cyst

Back 15

-multilocular variant of lat perio cyst

Front 16

Lat perio cyst:
tx
recurrence

Back 16

-surgery
-higher w/ botryoid type (multilocular)

Front 17

dent cyst:
size
aspiration
teeth most frequently affected
age
symptoms

Back 17

- >3mm
- straw colored thin liquid
-mand 3rds, max C, mand PM, max -3rds
-20s, 30s
-not usually

Front 18

OKC:
stands for
derived from
location
recurrence
lobes

Back 18

-odontogenic keratocyst
-dental lamina (epith)
-mand 3rd molars (2:1 max))
-60%
-single or multiple

Front 19

OKC:
% of jaw cysts
age
gender

Back 19

-1.5-11%
-30s, 40s
-male 2:1 female

Front 20

OKC:
symptoms (3)
lobes

Back 20

-none or paresthesia, 2ndary fractures
-usually multilocular

Front 21

OKC:
border (2)
may mimic (2)

Back 21

-well defined, scalloped
-dentigerous cyst, ameloblastoma if it is multilocular and in 3rd mand molar region

Front 22

when multiple OKCs are present, evaluate pt for

Back 22

-basal cell nevus syndrome

Front 23

OKC:
expansion
root
displacement

Back 23

-minimal. Grows along bone
-yes, but less than dent cyst or ameloblastoma
-" "

Front 24

DD btw OKC and dent cyst when as'ed w/ impacted tooth (2)

Back 24

-dent cyst is connected to CEJ
-dent cyst has more expansion and displacement

Front 25

DD btw OKC and ameloblastoma

Back 25

-ameloblastoma -> more expansion

Front 26

If the internal structure of OKC is multilocular
differentiating it from ____________(4) should be done.

Back 26

-ameloblastoma
-odontogenic myxoma
-simple bone cyst
-giant cell lesion

Front 27

DD: OKC and odontogenic myxoma

Back 27

-OM has straight septation, OKC has curved septa

Front 28

Gorlin Goltz syndrome:
dominance
_______ carcinoma of face

Back 28

-Autosomal dominant
-basal cell

Front 29

Gorlin Goltz syndrome:
features (4)

Back 29

-Low occiput, frontal and parietal bulging
-Calcified bridging of the sella turcica
-Hyperpneumatization of the paranasal sinuses
-Mandibular prognathism

Front 30

Gorlin Goltz syndrome:
mouth and oral structures (3)

Back 30

-Odontogenic keratocysts of the jaws
-Cleft lip and/or palate
-Pouting lower lip

Front 31

Gorlin Goltz syndrome:
eyes (10)

Back 31

-Hypertelorism
-Strabismus
-Corneal opacity
-Cataract
-Glaucoma
-Sunken eyes
-Synophrys with heavy eyebrows
-Coloboma of the iris, choroid, and optic nerve
-Retinitis pigmentosa
-Retinal hamartomas

Front 32

gorlin goltz syndrome:
thorax (5)

Back 32

-Rib abnormalities
-Lumbarization of the sacrum
-Pectus carinatum or excavatum
-Gynecomastia
-Sprengel anomaly

Front 33

do slides 77-86 on odontogeniccystpart1

Back 33

fjio

Front 34

calcifying odontogenic cyst:
aka (2)
border
derived from
resembles _____, but has

Back 34

-gorlin cyst, odontogenic ghost cell tumor
-well-circumscribed
-odontogenic epitheliium
-follicular ameloblastoma
-ghost cells and spherical calcifications
(can be solid or cystic)

Front 35

glandular odontogenic cyst:
location
growth
symptoms
destructive?
age

Back 35

-ant mand
-slow
-unually painless
-locally destructive
-middle aged

Front 36

calcifying odontogenic cyst:
age
location (2)
expansion?

Back 36

-usually <40 but can be any age
-incisor-canine region of both arches
-20% in gingival mucosa
-intraosseous lesions -> generalized jaw expansion

Front 37

Calcifying odontogenic cyst:
border
lobes
RL/RO?
frequency

Back 37

-well-circumscribed
-unilocular
-RL w/ flecks of RO (distinguishing feature!)
-rare