Odontogenic Tumors Flashcards
most common epithelial odontogenic tumor
ameloblastoma
most aggressive odontogenic tumor
ameloblastoma
seen on gingiva
peripheral amelobl
unilocular
unicystic or cystic amelobl
most common subtype and multilocular
solid/multilocular amelobla
2 other subtype of amelobla
malignant ameloblastoma and ameloblastoc carcinoma
radiolucent with well-defined sclerotic border
ameloblastoma rx
soap bubble or honey comb appearance
ameloblastoma rx
area of ameloblastoma
mandible molar-ramus area
unilater or bilater jaw expansion?
unilateral
are the teeth vital in ameloblastoma
vital teeth
palisading of columnar cells and straw-colored fluid aspirate
Ameloblastoma Hx
what makes straw-colored fluid
cholesterol crystal
histologic patterns
follicular plexiform granular cell basaloid/basal cell desmoplastic acanthomatous
most common histologic pattern
follicular/simple
what makes up a histologic pattern of ameloblastoma
palisading c cells
stellate-like cells
CT outside
mimics basal cell carcinoma
basaloid/basal cell
prominent thin strands with less islands
desmoplastic
2nd most common and with interconnecting strands
plexiform
same with follic but with squa metaplasia and stellate like cells can have keratin pearls
acanthomatous
found in mandible (molar-ramus area) and shows unilateral haw expo
CEOT
radiolucent or mixed lucent opaque is due to
amyloid substances can calcify
driven snow appearance
CEOT
rx of CEOT
mixed lucent and driven snow appearance
hx of ceot
polyhedral cells
calcified amyloids in concentric pttern
concentric pattern in ceot
Liesegang rings
tx of ceot
same with ameloblastoma
pindborg tumor
ceot
found in maxilla anterior region impacted maxi canine
aot
hx of aot
rosette and ductlike structures
tumor that resemble glands
AOT
mesenchymal
odontogenic myxoma
cementoblastoma
periapical cemento-osseoud dysplasia
rx radiopaque mesenchymal
cementoblastoma
replacing root outline (end part of root not seen anymore bc of tumor)
cementoblast
surrounded by radiolucent ring and cont to PDL
cementoblast
tx of cementoblast
surgical excision with removal of the assc tooth
ddx of cementoblastoma
condensing osteitis
osteoblastoma
lesion fused or connected to the root
cementoblastoma
cementoblastoma aka
true cementoma
mesenchymal odontogenic tumor with honeycomb pattern
odontogenic myxoma
most likely to recur after surgery
amelobalstoma
myxoma resembles what tissue
pulp
tx of odontogenic myxoma
excision
fibroblast collagen capillaries as hx
odont myxoma
soap bubble or honeycomb rx
cama
memsenchymal and always radiolucent
odont myx
has loose gelatinous consistency
odont myx
what are 3 things that looks the same
follicular ct
pulp
myxoma
most common mesenchymal odontogenic tumor
odont myxoma
dental papilla turns to
odontoblast
odontoblast turns to
dentin and pulp
enamel organ becomes
enamel
dental sac produces
cementoblast
fibroblast
osteoblast
chronic focal sclerosing osteomyelitis
condesing osteitis
has no radiolucent ring and preserve root structure on rx
condensing osteitis
infection prior before it can form
conden ostei
has radiolucent ring but no continui to PDL
osteoblastoma
mixlucent
osteoblastoma
these are lesion with abnormality with regards to fibrous tissue and osseous tissue
FOL
4 FOL
ossifying fibroma
fibrous dysplasia
cemento osseous dysplasia
cherubism
3 types of cemento osseous dysplasia
periapical cod
focal cod
florid cod
cod that has the entire maxila or jaw or 2 or more quadrants affected
florid cod
seen in edentulous areas or after exo since it is isolated
focal cod
most common FOL
COD
located at apex of mandibular teeth and teeth remains vital
PCOD
False cementoma
cemento or PCOD
Black women or African american women are prone to it
PCOD
progresses from radioluscent to radiopaque bc the bones try to fight
pcod
hx has cementum bone and fibrous tse
PCOD
Tx of PCOD
none
a mixed tumor
odontoma
asymptomatic seen on maxilla and retains decidous tooth and impacts permanent tooth
odontoma
classification of odontoma
compound - toothlike structure and on anterior regions
complex - amorphous conglo and posterior region
is odontoma radiopaque? why?
yes bc it mimics tooth
tx of odontoma
excision
MOST COMMON ODONTOGENIC TUMOR
ODONTOMA