skin 1.1

Question 1

Seborrheic Keratosis?

Answer 1

Benign neoplasm of epidermal cells

Question 2

Seborrheic Keratosis

pe

Answer 2

“Stick on” or “pasted” plaque or papule
Vary in color
Follicular plugging (not on BCC)
Not on palms and soles

Question 3

Seborrheic Keratosis

dx

Answer 3

Excisional or shave biopsy

Question 4

Seborrheic Keratosis

trmt

Answer 4

Cryotherapy with liquid nitrogen

Excision

Question 5

Acrochordans/ Skin tags

?

Answer 5

epidermal growth
Skin colored papules
Common at sites of friction

Question 6

Acrochordans/ Skin tags

dx

Answer 6

Biopsy over 1 cm

Question 7

Acrochordans/ Skin tags

trmt

Answer 7

Snip excision

Question 8

Molluscum Contagiosum

pe

Answer 8

Smooth umbilicated papules
VERY contagious
Central umbilication with “cheesy core”

Question 9

Molluscum Contagiosum

cause

Answer 9

Poxvirus

Question 10

Molluscum Contagiosum

trmt

Answer 10

Curettage
Cryotherapy
Most have remission

Question 11

Actinic keratosis

?

Answer 11

Precancerous neoplasm from sun (think C diff lady’s husband)
Untreated develop SCC
Highest in fitz 1 and 2

Question 12

Actinic keratosis

pe

Answer 12

1-10 mm, red, patches and papules
Rough yellow/brown
Thick and hyperkerotic
You can feel it better than see it

Question 13

Actinic keratosis

dx

Answer 13

Biopsy to r/o SCC

Question 14

Actinic keratosis

trmt

Answer 14

Avoid sun and use sunscreen

Topical chemotherapy aka “field therapy”

Question 15

2nd MC skin cancer in US

Answer 15

SCC

Question 16

More common in renal transplant pts

Answer 16

SCC

Question 17

SCC?

Answer 17

Malignant neoplasm of keratinocytes

Local, does not metastasize

Question 18

SCC

pe

Answer 18

On sun exposed areas or mucous membranes
MC on head and neck
Skin colored or red papule or nodule
In situ- thin scaling red patches

Question 19

SCC

cause

Answer 19

UV exposure, carcinogens

Question 20

SCC

dx

Answer 20

Shave biopsies are MC

Question 21

SCC

trmt

Answer 21

MOHS micrographic surgery

Question 22

do Keratoacanthoma metastasize

Answer 22

no

Question 23

Keratoacanthoma cause

Answer 23

In pts over 50
More males
From sun, chemical carcinogens (same as SCC)

Question 24

Keratoacanthoma pe

Answer 24

Rapid growth: 1-3 cm in wks (not many others do this)

Dome shaped with central keratotic plug

Question 25

Keratoacanthoma trmt

Answer 25

Excision if 1 | Systemic retinoids or methotrexate if many

Question 26

Keratoacanthomaprognosis

Answer 26

Good | Many go away on own and don't spread

Question 27

MCC skin cancer and MC cancer in US

Answer 27

bcc

Question 28

bcc?

Answer 28

Neoplasm of epidermal basal cell

Question 29

do bcc metastasize

Answer 29

no

Question 30

bcc cause

Answer 30

UV radiation

Question 31

MC type BCC

Answer 31

nodular

Question 32

nodular bcc

Answer 32

“Pearly pink papule” with rolled borders

Question 33

pigmented bcc

Answer 33

Pink, blue, black, tan with rolled or waxy borders

Question 34

superficial bcc

Answer 34

Red and crusted with pearly or rolled border

Question 35

sclerosing bcc

Answer 35

Infiltrating carcinoma

Question 36

ulcerating bcc

Answer 36

Ulcer with rolled border

Question 37

bcc dx

Answer 37

Shave, punch, excisional biopsy Biopsy tells what type it is Sclerosing, micronodular, and mixed subtypes are more aggressive

Question 38

bcc trmt

Answer 38

MOHS microscopic surgery is GOLD std- for any recurrent tumors Excision Electrodessication and curettage- cant do if lesions are over 2 cm Cryosurgery- for superficial Topical chemo

Question 39

SLOW course

Answer 39

bcc

Question 40

pcc prevention

Answer 40

30 SPF every morning, reapply every 2 hrs and after sweating/water exposure if outdoors Cosmetics with SPF aren't enough

Question 41

Pigmented lesions are from

Answer 41

From inc melanocytes, nevus cells, or pigment

Question 42

Ephelides/freckles | cause

Answer 42

Sun | Common in fitx 1 and 2 and ppl with blonde or red hair

Question 43

Ephelides/freckles | dx

Answer 43

PE, no biopsy

Question 44

Ephelides/freckles | trmt

Answer 44

None | Avoid sun

Question 45

Lentigines (sun spots) | ?

Answer 45

Uniform brown or dark macule with clear borders from inc mealanocytes Occurs anywhere on body

Question 46

Lentigines (sun spots) | dx

Answer 46

Biopsy if you think its harmful and something else

Question 47

Lentigines (sun spots) | trmt

Answer 47

None | Sunscreen