Test 1 Numbers Flashcards by Duane Neidert

Q

Leukoplakia prevalence

A

1.5-4.3%

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Q

leukoplakia due to tobacco

A

80%

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Q

leukoplakia without dysplasia

A

80%

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Q

leukoplakia recurrence

A

30%

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Q

Leukoplakia transformation w/out dysplasia

A

15%

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Q

leukoplakia transformation w/ dyplasia

A

33%

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Q

Percent erythroplakia with severe dysplasia

A

90%

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Q

Risk of transformation for actinic cheilitis vs. actinic keratosis

A

2.5X

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Q

Number BCC/year

A

1 million

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Q

BCC H/N percent

A

80%

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Q

BCC prognosis

A

excellent, 95%

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Q

SCC Prognosis

A

good

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Q

SCC lip prognosis

A

high metastasis risk for upper lip

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Q

OSCC prevalence

A

2-3%

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Q

OSCC association w/ tobacco

A

80%

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Q

OSCC prognosis

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A

poor 60% 5 year survival

Q

OCC new malignancies w/o discontinuing habits

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A

10-25%

Q

melanoma from lentigo maligna

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A

5%

Q

Years before vertical growth of lentigo maligna

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A

15 years

Q

superficial spreading melanoma percent

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A

70%

Q

superficial spreading in H/N

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A

15-20%

Q

nodular melaoma

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A

15%

Q

Nodular head and neck

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A

33%

Q

Acral melanoma

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A

8%

Acral on hard palate and max. alveolar mucosa

70-80%

Melanoma % of all skin cancer

5%

melanoma % skin cancer deaths

75%

Cutaneous melanoma

91%

BANS site melanoma

40%

H/N melanoma

25%

mucous melanoma

1%

ocular/other melanoma

8%

congenital nevus h?N

15%