Skin Cancer Flashcards

1
Q

What is the most common type of skin cancer?

A

Basal cell carcinoma

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2
Q

What is the percent lifetime risk of developing basal cell carcinoma?

A

30% lifetime risk

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3
Q

What is the classical presentation of basal cell carcinoma?

A

smooth, pearly papule with pruritis and/or mass

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4
Q

What is the treatment of basal cell carcinoma?

A

Wide Local Excision

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5
Q

What is the second most common type of skin cancer?

A

Squamous cell carcinoma

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6
Q

What is the classical presentation of squamous cell carcinoma?

A

rough/scaly lesion on exposed areas of the head, neck, hands, forearms

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7
Q

What is the treatment of squamous cell carcinoma

A

excisional surgery, cryotherapy for low risk and Mohs surgery for high risk

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8
Q

What is the most deadly form of skin cancer?

A

Malignant melanoma

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9
Q

Risk factors for malignant melanoma?

A

fair skin, atypical nevi, family history

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10
Q

What is the classical presentation of malignant melanoma?

A

A - Asymmetry
B - Irregular Border
C - Color variation
D - Diameter > 5 mm

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11
Q

What is the definition of stage 1 melanoma, and what is the percent survival ?

A

< 1 mm thick, 90% survival

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12
Q

What is the definition of stage 2 melanoma, and what is the percent survival ?

A

> 1mm thick 60% Survival

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13
Q

What is the definition of stage 3 melanoma, and what is the percent survival ?

A

Any thickness with one or more positive regional lymphnodes, 50% survival

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14
Q

What is the definition of stage IV melanoma, and what is the survival ?

A

Spread to distant lymphnodes or organs (Lung, liver, brain). 15% survival

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15
Q

Treatment for melanoma depend on what characteristic?

A

thickness of the lesion

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16
Q

Treatment for melanoma lesions < 1 mm thickness

A

radical local excision with 1 cm margins

17
Q

Treatment for melanoma lesions 1 mm - 4 mm thickness

A

radical local excision with 2 cm margins

18
Q

Treatment for melanoma lesions > 4 mm thickness

A

radical local excision with 3 cm margins

19
Q

What common immunotherapy is used to treat malignant melanoma?

A

Nivolumab