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Oral Pathology 2020 > Chapter 10 Lecture 2 > Flashcards

Chapter 10 Lecture 2 Flashcards

1
Q

What is the oral counterpart to ephelis?

A

-Oral melanotic macule

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2
Q

What is the most common site of an oral melanotic macule?

A

-Labial melanotic macule

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3
Q

What population do you see oral melanoacanthoma almost exclusively in?

A

-African Americans

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4
Q

What is the most common site of oral melanoacanthoma?

A

-Buccal mucosa

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5
Q

T/F Oral melanoacanthoma lesions increase rapidly in size

A

-True

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6
Q

What is nevus known as?

A

-Mole

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7
Q

What is the most common of all adult tumors?

A

-Acquired melanocytic nevus

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8
Q

What is the most common place for an intra oral nevus?

A

-Palate

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9
Q

If a brown pigment is raised in the oral cavity on the palate what are you thinking?

A

-Intraoral melanocytic nevus

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10
Q

Superficial nevus cells will be organized into small round aggregates termed what?

A

-Theques

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11
Q

What is a mole that is present at birth known as?

A

-Congenital melanocytic nevus

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12
Q

What is a large congenital nevus called?

A
  • Bathing trunk nevus

- Garment nevus

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13
Q

What is a melanocytic nevus with a surrounding pale hypopigmented border known as?

A

-Halo Nevus

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14
Q

What is the old name of spitz nevus and is a solitary nodule usually 6 mm or smaller?

A

-Juvenile melanoma

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15
Q

What are the two forms of Blue nevus?

A
  • Common

- Cellular

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16
Q

What is an uncommon benign proliferation of dermal melanocytes?

A

-Blue nevus

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17
Q

What is the 2nd most frequent melanocytic nevus encountered in the oral cavity?

A

-Blue nevus

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18
Q

What is the blue color of a blue nevus due to?

A

-Tyndall effect

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19
Q

What is the most common location of an oral blue nevus?

A

-Palate

20
Q

What is an intraoral white plaque that does not rub off and cannot be identified as any well known entity?

A

-Leukoplakia (pre-malignant lesion)

21
Q

What are three key points of leukoplakia?

A
  • Intraoral white plaque
  • Does not rub off
  • Cannot be identified
22
Q

What are white lesions that can be scrape off?

A
  • Materia alba
  • White coated tongue
  • Burn
  • Pseudomembranous candidiasis
  • Sloughing from toothpaste
23
Q

Why are the white lesions white?

A

-Because something such as keratin, microbial colony, scar tissue, necrosis blocks the “redness” of the underlying vascular tissue

24
Q

What can cause a leukoplakia?

A
  • Tobacco
  • Alcohol
  • Sanguinaria
  • UV radiation
  • Microorganisms
  • Trauma
25
Q

What is a white patch caused from smokeless tobacco?

A

-Tobacco pouch keratosis

26
Q

What product can cause a leukoplakia in the maxillary vestibule?

A

-Sanguinaria

27
Q

What microorganisms can cause a leukoplakia like lesion?

A
  • Treponema pallidum

- Candida albicans

28
Q

What type of trauma can cause a leukoplakia like lesion?

A
  • Nicotine stomatitis

- Frictional keratosis

29
Q

Where are most leukoplakias found?

A
  • Lip vermilion
  • Buccal mucosa
  • Gingiva
30
Q

What are the high risk sites for leukoplakias?

A
  • Lip vermilion
  • Lateral/ventral tongue
  • Floor of mouth
31
Q

What are red and white intermixed lesions termed?

A
  • Erythroleukoplakia

- Speckled leukoplakia

32
Q

What is a special high-risk form of leukoplakia?

A

-Proliferative verrucous leukoplakia

33
Q

What is proliferative verrucous leukoplakia characterized by?

A

-Multiple keratotic plaques with roughened surface projections

34
Q

What is hyperkeratosis?

A

-Thickened keratin layer

35
Q

What is hyperparakeratosis?

A
  • No granular cell layer

- Nuclei are retained

36
Q

What is hyperorthokeratosis?

A
  • Granular cell layer

- Nuclei are lost

37
Q

What is Acanthosis?

A

-Thickened spinous layer

38
Q

What is mild dysplasia?

A

-Alterations are limited to the lower 1/3

39
Q

What is moderate dysplasia?

A

-Alterations are limited to the lower 1/2

40
Q

What is severe dysplasia?

A

-Alterations are present above the lower 1/2

41
Q

What is carcinoma in situ?

A

-Alterations are present throughout epithelium

42
Q

What is a red patch that cannot be diagnosed as any other condition?

A

-Erythroplakia

43
Q

T/F True erythroplakias are never completely benign

A

True

44
Q

What are the most common locations for erythroplakias?

A
  • Floor of mouth
  • Ventral tongue
  • Soft palate
45
Q

What does smokeless tobacco cause?

A

-Smokeless tobacco keratosis

46
Q

What is BANS?

A

Areas of bad prognosis for melanoma

Oral Pathology 2020 (38 decks)

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