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Oral Histo > Odontogenic Tumors > Flashcards

Odontogenic Tumors Flashcards

1
Q

most common epithelial odontogenic tumor

A

ameloblastoma

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2
Q

most aggressive odontogenic tumor

A

ameloblastoma

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3
Q

seen on gingiva

A

peripheral amelobl

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4
Q

unilocular

A

unicystic or cystic amelobl

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5
Q

most common subtype and multilocular

A

solid/multilocular amelobla

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6
Q

2 other subtype of amelobla

A

malignant ameloblastoma and ameloblastoc carcinoma

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7
Q

radiolucent with well-defined sclerotic border

A

ameloblastoma rx

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8
Q

soap bubble or honey comb appearance

A

ameloblastoma rx

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9
Q

area of ameloblastoma

A

mandible molar-ramus area

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10
Q

unilater or bilater jaw expansion?

A

unilateral

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11
Q

are the teeth vital in ameloblastoma

A

vital teeth

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12
Q

palisading of columnar cells and straw-colored fluid aspirate

A

Ameloblastoma Hx

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13
Q

what makes straw-colored fluid

A

cholesterol crystal

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14
Q

histologic patterns

A 
follicular
plexiform
granular cell
basaloid/basal cell
desmoplastic
acanthomatous
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15
Q

most common histologic pattern

A

follicular/simple

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16
Q

what makes up a histologic pattern of ameloblastoma

A

palisading c cells
stellate-like cells
CT outside

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17
Q

mimics basal cell carcinoma

A

basaloid/basal cell

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18
Q

prominent thin strands with less islands

A

desmoplastic

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19
Q

2nd most common and with interconnecting strands

A

plexiform

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20
Q

same with follic but with squa metaplasia and stellate like cells can have keratin pearls

A

acanthomatous

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21
Q

found in mandible (molar-ramus area) and shows unilateral haw expo

A

CEOT

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22
Q

radiolucent or mixed lucent opaque is due to

A

amyloid substances can calcify

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23
Q

driven snow appearance

A

CEOT

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24
Q

rx of CEOT

A

mixed lucent and driven snow appearance

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25
Q

hx of ceot

A

polyhedral cells

calcified amyloids in concentric pttern

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26
Q

concentric pattern in ceot

A

Liesegang rings

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27
Q

tx of ceot

A

same with ameloblastoma

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28
Q

pindborg tumor

A

ceot

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29
Q

found in maxilla anterior region impacted maxi canine

A

aot

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30
Q

hx of aot

A

rosette and ductlike structures

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31
Q

tumor that resemble glands

A

AOT

32
Q

mesenchymal

A

odontogenic myxoma
cementoblastoma
periapical cemento-osseoud dysplasia

33
Q

rx radiopaque mesenchymal

A

cementoblastoma

34
Q

replacing root outline (end part of root not seen anymore bc of tumor)

A

cementoblast

35
Q

surrounded by radiolucent ring and cont to PDL

A

cementoblast

36
Q

tx of cementoblast

A

surgical excision with removal of the assc tooth

37
Q

ddx of cementoblastoma

A

condensing osteitis

osteoblastoma

38
Q

lesion fused or connected to the root

A

cementoblastoma

39
Q

cementoblastoma aka

A

true cementoma

40
Q

mesenchymal odontogenic tumor with honeycomb pattern

A

odontogenic myxoma

41
Q

most likely to recur after surgery

A

amelobalstoma

42
Q

myxoma resembles what tissue

A

pulp

43
Q

tx of odontogenic myxoma

A

excision

44
Q

fibroblast collagen capillaries as hx

A

odont myxoma

45
Q

soap bubble or honeycomb rx

A

cama

46
Q

memsenchymal and always radiolucent

A

odont myx

47
Q

has loose gelatinous consistency

A

odont myx

48
Q

what are 3 things that looks the same

A

follicular ct
pulp
myxoma

49
Q

most common mesenchymal odontogenic tumor

A

odont myxoma

50
Q

dental papilla turns to

A

odontoblast

51
Q

odontoblast turns to

A

dentin and pulp

52
Q

enamel organ becomes

A

enamel

53
Q

dental sac produces

A

cementoblast
fibroblast
osteoblast

54
Q

chronic focal sclerosing osteomyelitis

A

condesing osteitis

55
Q

has no radiolucent ring and preserve root structure on rx

A

condensing osteitis

56
Q

infection prior before it can form

A

conden ostei

57
Q

has radiolucent ring but no continui to PDL

A

osteoblastoma

58
Q

mixlucent

A

osteoblastoma

59
Q

these are lesion with abnormality with regards to fibrous tissue and osseous tissue

A

FOL

60
Q

4 FOL

A

ossifying fibroma
fibrous dysplasia
cemento osseous dysplasia
cherubism

61
Q

3 types of cemento osseous dysplasia

A

periapical cod
focal cod
florid cod

62
Q

cod that has the entire maxila or jaw or 2 or more quadrants affected

A

florid cod

63
Q

seen in edentulous areas or after exo since it is isolated

A

focal cod

64
Q

most common FOL

A

COD

65
Q

located at apex of mandibular teeth and teeth remains vital

A

PCOD

66
Q

False cementoma

A

cemento or PCOD

67
Q

Black women or African american women are prone to it

A

PCOD

68
Q

progresses from radioluscent to radiopaque bc the bones try to fight

A

pcod

69
Q

hx has cementum bone and fibrous tse

A

PCOD

70
Q

Tx of PCOD

A

none

71
Q

a mixed tumor

A

odontoma

72
Q

asymptomatic seen on maxilla and retains decidous tooth and impacts permanent tooth

A

odontoma

73
Q

classification of odontoma

A

compound - toothlike structure and on anterior regions

complex - amorphous conglo and posterior region

74
Q

is odontoma radiopaque? why?

A

yes bc it mimics tooth

75
Q

tx of odontoma

A

excision

76
Q

MOST COMMON ODONTOGENIC TUMOR

A

ODONTOMA

Oral Histo (4 decks)

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