Colors Flashcards

1
Q

Causes of white

A
thickened epithelium (hyperkeratosis, acanthosis, dysplasia, carcinoma)
decreased vascularity (anemia)
increased collagen (submucous fibrosis - beetle juice chewing)
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2
Q

Causes of red

A

thinner epithelium
increased vascularity
dissolution of collagen content of subepithelial tissue

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3
Q

Causes of blue

A

venous blood collection
tyndall effect (light refraction)
medications

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4
Q

Causes of black

A

melanin

heavy metal

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5
Q

Causes of brown

A
melanin
hemosiderin (yellowish brown granular pigment formed from break down of Hb found in phagocytes)
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6
Q

Causes of yellow

A

adipose
sebaceous material
pus (collection of necrotic material, PMNs and lymphocytes)

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7
Q

Most common colors order

A

White > red > black > blue > brown > yellow

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8
Q

White that rubs off

A
materia alba
white coated tongue
burn 
toothpaste/mouthwash OD
pseudomembranous candadiasis
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9
Q

White that doesnt

A
leukoplakia
leukoedema
chronic cheek biting
tobacco pouch keratosis
lichen planus 
nicotine stomatitis 
linea alba
oral hairy leukoplakia
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10
Q

Leukoplakia tx

A

remove frictional cause

biop after 2 weeks

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11
Q

Tobacco pouch keratosis

A
smokeless tobacco pouch
snuff pouch 
spit tobacco keratosis 
white plaque with horizontal furrotws
recession and root caries possible 
dose response leading to verrucous carcinoma
reversible
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12
Q

Lichen planus

A

skin lesions: purple, puritic, polygonal papules

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13
Q

Lichen planus differential

A

desquamative gingivitis

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14
Q

Lichen planus F/M

A

3F>2M

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15
Q

Lichen planus tx

A

topical steroid

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16
Q

White and red lesion

A
recurrent apthous ulcers 
geographic tongue
desquamative gingivitis 
actinic keratosis 
erythroleukoplakia
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17
Q

Recurrent apthous ulcers

A

etiology: hypersensitivity, autoimmune, stress

18
Q

Recurrent apthous ulcers tx

A

steroids

19
Q

Geographic tongue

A

erythema areata migrans
benign migratory glossitis
asymptomatic but rarely sensitive to hot/spicy

20
Q

Geographic tongue location

A

dorsal tongue, rarely ventral

21
Q

Geographic tongue tx

A

none

22
Q

Desquamative gingivitis differential

A
lichen planus
mucous mem pemphigoid
pemphigus vulgaris 
systemic lupus erythematosis  
hypersensitivity
23
Q

Desquamative gingivitis tx

A

topical steroid

always biopsy

24
Q

Actinic keratosis

A

premalignant

loss of vermillion border

25
Q

Red lesions

A
denture stomatitis 
erythematous candadiasis
angular chelitis 
lymphoid hyperplasia 
hemangioma 
hypersensitivity rxn
erythroplakia
lingual tonsil
26
Q

Brown lesions

A
racial pigmentation
oral melanotic macule 
intramucosal nevus 
oral melanoacanthoma 
malignant melanoma
27
Q

Oral melanotic macule

A

focal melanosis
oral freckle
solitary, well demarcated tan to dark brown macule
1-7mm

28
Q

Oral melanotic macule F/M

A

2F>M

29
Q

Oral melanotic macule location

A

lower lip
buccal mucosa
gingiva

30
Q

Oral melanotic macule tx

A

none, but biop to rule out melanoma

31
Q

Intramucosal nevus

A

histologically idgential to intradermal nevus but in oral cavity

32
Q

Oral melanoacanthoma

A
acquired pigmentation
reactive process from trauma?
seen almost exclusively in african americans
lesion increases rapidly in size
20-30 yrs
33
Q

Oral melanoacanthoma F/M

A

F>M

34
Q

Oral melanoacanthoma location

A

buccal mucosa

35
Q

Blue lesions

A
hemangioma
blue nevus
varicosities
mucocele/ranula
salivary duct cyst
mucoepidermoid carcinoma
36
Q

Mucoepidermoid carcinoma

A

most common blue malignancy

37
Q

Yellow lesions

A
fordyce granules
lymphoepithelial cyst
parulis (gum boil)
lipoma
granular cell tumor
38
Q

Lipoma

A

benign fat tumor

yellowish soft nodular mass

39
Q

Lipoma locations

A

buccal mucosa
tongue
FOM
lips

40
Q

Granular cell tumor

A

benign soft tissue tumor
neoplasm that shows predialation for oral cavity
asymptomatic sessile nodule <2cm
african americans experience multiple tumors

41
Q

Granular cell tumor location

A

dorsal surface tongue (50%)