actinic kertosis and SCC

Question 1

who gets SCC

Answer 1

1. white fari skin

2. sun exposed

Question 2

how does mortality compare to BCC

Answer 2

worse

Question 3

SCC cell of origin

Answer 3

kertinocyte

Question 4

risk for SCC

Answer 4

1. cumulative sun
2. arsenic
3. HPV
4. smokes or chews tobacco

Question 5

5 various morphologies

Answer 5

1. papule plaque or nodule
2. pink, red or skin color
3. exophytic
4. indurated
5. may be cutaneous horn

• friable, may be pruruitc

Question 6

what is SCC in situ

Answer 6

bowen’s disease

- confined to the epidermis

Question 7

4 Tx for SCC

Answer 7

1. surgical excision
2. curette and dessication
3. rads
4. 5FU, imiqiomod, photdynamic

Question 8

what is AK

Answer 8

premalignant lesion for SCC

• 1/1000 transform
• keratinocyte

Question 9

clinical present of AK

Answer 9

• may be tender
• generally on background of bad skin
• feel like sandpaper

Question 10

what is AK on the lips

Answer 10

actinitc chelitis

Question 11

Tx of AK

Answer 11

cryotherpay