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PATH II > common oral dx day 3 > Flashcards

common oral dx day 3 Flashcards

1
Q

ACTINIC CHEILITIS/ ACTINIC CHEILOSIS

A

sun damage to the lips

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2
Q

app of actinic chelitis

A

loss of vermillion border
erythematous areas
small ulcerations/scabs

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3
Q
A

actinic chelitis

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4
Q
A

actinic chelitis

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5
Q

why should actinic chelitis be taken seriously?

A

pre-malignant condition for SCCa

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6
Q

pt with hx of actinic chelitis presents with this, palapation is indurated, what might this be?

A

malignant transformation into SCCa

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7
Q

Leukoplakia

A
  • A white patch or plaque that can’t be
    characterized clinically or pathologically
    as any other disease
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8
Q

dif dx?

A

SCCa
hyperkeratosis
hyperplastic candidasis
carcinoma insitu
dysplasia

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9
Q

good dif dx for leukoplakias

A

carcinoma in situ
hyperkeratosis
epithelial dysplasia
SCCa

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10
Q

dif?

A

actually not a leukoplakia= truama from cheek biting (linea alba)

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11
Q

Erythroplakia

A
  • A red patch or plaque that can’t be
    characterized clinically or pathologically
    as any other disease.
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12
Q

Erythroplakia good dif dx?

A

epi dysplasia
SCCa
carcinoma in situ

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13
Q

Erythroplakia are more likely to be?

A

cancerous

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14
Q

dif?

A

epi dysplasia
SCCa
carcinoma in situ

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15
Q

dif

A

epi dysplasia
SCCa
carcinoma in situ

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16
Q

Ulcer

A
  • A loss of continuity of the epithelium
    that penetrates to the the underlying
    connective tissue
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17
Q

indurated ulcer on lat tongue, likely dx?

A

SCCa, especially with risk factors involved

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18
Q

pathologic?

A

no, physiologic pigmentation

19
Q

where can physiologic pigmentation occur in the oral cavity?

A

any surface

20
Q

what other conditons can cause oral pigmentation?

A

addisons, some meds and preutz-jaeger

21
Q

Oral Melanotic Macule
* Focal increase in?
* number of melanocytes?
* most common area?

A

Macule= only seen not felt
* Focal increase in melanin
* Normal number of melanocytes
* Lower lip vermillion most common

22
Q
A

oral melanotic macule, does not have ABCDE qualities of melanoma

23
Q
A

oral melanotic macule

24
Q

oral melanotic macule histo

A

melanin deposition in basal layer/ lamina propria
normal number melanocytes

25
Q

clinical form lichen planus

A

reticular and erosive lichen planus

26
Q

most likely? dif?

A

most likely: reticular lichen planus (wickham striae specific)
dif: lichenoid mucositis and allergic rxn

27
Q
A

erosive lichen planus

28
Q

Reticular Lichen Planus
* app/symptoms?
* acute or chronic?

A
  • Bilateral asymptomatic white lesions of posterior buccal mucosa (Wickham striae)
  • Also papules and plaques
  • chronic condition
29
Q

most likely dx?

A

reticular LP

30
Q

erosive lichen planus app

A

ulcerations of the buccal mucosa
may or may not possess wickham
desquamative gingivitis

31
Q

Likely?

A

erosive LP

32
Q

likely?

A

erosive LP?

33
Q

ulcers/wickham on buccal mucosa as well

A

erosove LP

34
Q

Geographic Tongue additional names

A
  • Benign Migratory Glossitis
  • Erythema Areata Migrans
  • Stomatitis Areata Migrans
  • Wandering Rash of the Tongue
35
Q

geo tongue cause

A

Cause unknown
– Hypersensitivity to environmental factor possibly

36
Q

geo tongue common at?

A

tip and lat border

37
Q

areas of geo tongue

A
  • Red– Multiple erythematous zones
    – Atrophy of filliform papillae
  • White - Elevated, yellow-white, serpiginous border
38
Q
A

geographic tongue

39
Q
A

geographic tongue

40
Q

ectopic geo tongue

A

can occur elsewhere than dorsum of tongue, may occur on the ventral surface with same app of erythmatous areas and white elevated borders

41
Q
A

ectopic geographic tongue

42
Q

Histopathology: Geographic Tongue

A

diagnosed from biopsy
* Psoriasiform mucositis– Resembles psoriasis
* Exocytosis of neutrophils into epithelium= Munro microabscesses

43
Q

biopsy from erythmatous/white lesion of tongue dorsum

A

geo tongue, PMN in epithelium

PATH II (24 decks)

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