Non-pigmented Malignant Epithelial-Carcinomas

Question 0

SCC

Answer 0

1. 2nd most common malignancy of skin

Question 1

Actinic (Solar) Keratosis

Answer 1

1. Pink scaly macules or papules
2. 3% of classic become SCC
3. 50% of hypertrophic become SCC

Question 2

SCC In-Situ (Bowen’s Disease)

Answer 2

Flat macule or plaque

10% become invasive SCC

Question 3

Keratoacanthomatous SCC

Answer 3

• Well differentiated

- those on digits may invade underlying phalanx

Question 4

Verrucous SCC

Answer 4

• well differentiated

- may look exactly like wart

Question 5

Marjolin’s Ulcer (SCC)

Answer 5

-MOST aggressive

Question 6

BCC

Answer 6

• Nodular type–most common
• Superficial type–most common in LE
• Aggressive type (morpheaform)–scar like plaque

Question 7

Merkel Cell Carcinoma

Answer 7

-highly aggressive (more deadly than melanoma when diagnosed)

Question 8

Adnexal Carcinoma

Answer 8

• Aggressive digital papillary adenocarcinoma most clinically significant –> 50% survival
• looks like cyst