Differentials Flashcards
1
Q
5 white lesions that can be scraped off
A
- materia alba
- toothpaste allergy
- white coated tongue
- burn (chemical, thermal, cotton roll, etc.)
- pseudomembranous candidiasis
2
Q
white lesions that cannot be scraped off
A
- linea alba
- morsicatio buccarum/linguarum/laborium
- leukoplakia
- leukoedema
- nicotine stomatitis
- oral hairy leukoplakia
- lichen planus
- scar tissue
- tobacco pouch keratosis
- verrucous carcinoma
3
Q
papillary lesions
A
- squamous papilloma
- verruca vulgaris
- condyloma accuminatum
- verruciform xanthoma
- sinonasal papilloma
4
Q
lesions that can cross the midline
A
- central giant cell granuloma
- dentigerous cyst
- glandular odontogenic cyst
- odontogenic keratocyst
- traumatic bone cyst
5
Q
blue swellings
A
- hemangioma
- mucocele
- mucoepidermoid carcinoma
- gingival cyst of the adult
- eruption cyst
- peripheral giant cell granuloma
6
Q
large unilocular radiolucency in the mandible
A
- OKC
- ameloblastoma (can cause root resorption)
- dentigerous cyst (impacted tooth)
- central giant cell granuloma (crosses midline)
7
Q
mixed RL-RO
A
- COC
- AOT
- CEOT
- odontomas
- ameloblastic fibro-odontoma
- ossifying fibroma
8
Q
focal area of increased radiodensity
A
- idiopathic osteosclerosis
- focal cemento-osseous dysplasia (RL rim)
- condensing osteitis (associated with inflammation)
- cementoblastoma (attached to root surface)
- bone scar
9
Q
benign fibro-osseous lesions
A
- fibrous dysplasia
- cemento-osseous dysplasia
- ossifying fibroma
10
Q
cause root resorption
A
- ameloblastoma
- osteosarcoma
11
Q
soap bubble or honeycomb
A
ameloblastoma
12
Q
moth-eaten
A
metastatic tumors to the jaws
13
Q
sunburst appearance
A
osteosarcoma
14
Q
spiking resorption
A
osteosarcoma
15
Q
downward bowing of mandible
A
ossifying fibroma
16
Q
ghost cells
A
COC
17
Q
snowflake calcifications
A
AOT
18
Q
driven snow
A
CEOT
19
Q
cotton wool
A
pagets disease
20
Q
ground glass
A
fibrous dysplasia
21
Q
blood-soaked sponge
A
aneurysmal bone cyst
22
Q
blow-out or ballooning distention of affected bone
A
aneurysmal bone cyst
23
Q
positive for congo red
A
CEOT
24
Q
pindborg tumor
A
CEOT
25
gorlin cyst
COC
26
white lesion that goes away when tissue is stretched
leukoedema
27
whickam's striae
lichen planus
28
sawtooth rete ridges
lichen planus
29
clinically blanches under pressure
- hemangioma
| - dioscopy is the test
30
cauliflower appearance
squamous papilloma
31
serpentine border
geographic tongue aka erythema migrans aka benign migratory glossitis
32
most common benign neoplasm of the oral cavity
fibroma
33
most common tumor of infancy
hemangioma
34
most common developmental cyst
dentigerous cyst
35
most common odontogenic tumor
odontoma
36
most common fibro-osseous lesion encountered in clinical practice
cemento-osseous dysplasia
37
most common malignancy to originate in bone, excluding hematopoietic neoplasms
osteosarcoma
38
most common form of cancer involving bone
metastatic carcinoma
39
floats in formalin
lipoma
