Skin Cancer Flashcards
What is the most common type of skin cancer?
Basal cell carcinoma
What is the percent lifetime risk of developing basal cell carcinoma?
30% lifetime risk
What is the classical presentation of basal cell carcinoma?
smooth, pearly papule with pruritis and/or mass
What is the treatment of basal cell carcinoma?
Wide Local Excision
What is the second most common type of skin cancer?
Squamous cell carcinoma
What is the classical presentation of squamous cell carcinoma?
rough/scaly lesion on exposed areas of the head, neck, hands, forearms
What is the treatment of squamous cell carcinoma
excisional surgery, cryotherapy for low risk and Mohs surgery for high risk
What is the most deadly form of skin cancer?
Malignant melanoma
Risk factors for malignant melanoma?
fair skin, atypical nevi, family history
What is the classical presentation of malignant melanoma?
A - Asymmetry
B - Irregular Border
C - Color variation
D - Diameter > 5 mm
What is the definition of stage 1 melanoma, and what is the percent survival ?
< 1 mm thick, 90% survival
What is the definition of stage 2 melanoma, and what is the percent survival ?
> 1mm thick 60% Survival
What is the definition of stage 3 melanoma, and what is the percent survival ?
Any thickness with one or more positive regional lymphnodes, 50% survival
What is the definition of stage IV melanoma, and what is the survival ?
Spread to distant lymphnodes or organs (Lung, liver, brain). 15% survival
Treatment for melanoma depend on what characteristic?
thickness of the lesion