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clin med > skin 1.1 > Flashcards

skin 1.1 Flashcards

1
Q

Seborrheic Keratosis?

A

Benign neoplasm of epidermal cells

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2
Q

Seborrheic Keratosis

pe

A

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

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3
Q

Seborrheic Keratosis

dx

A

Excisional or shave biopsy

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4
Q

Seborrheic Keratosis

trmt

A

Cryotherapy with liquid nitrogen

Excision

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5
Q

Acrochordans/ Skin tags

?

A

epidermal growth
Skin colored papules
Common at sites of friction

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6
Q

Acrochordans/ Skin tags

dx

A

Biopsy over 1 cm

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7
Q

Acrochordans/ Skin tags

trmt

A

Snip excision

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8
Q

Molluscum Contagiosum

pe

A

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

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9
Q

Molluscum Contagiosum

cause

A

Poxvirus

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10
Q

Molluscum Contagiosum

trmt

A

Curettage
Cryotherapy
Most have remission

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11
Q

Actinic keratosis

?

A

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

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12
Q

Actinic keratosis

pe

A

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

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13
Q

Actinic keratosis

dx

A

Biopsy to r/o SCC

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14
Q

Actinic keratosis

trmt

A

Avoid sun and use sunscreen

Topical chemotherapy aka “field therapy”

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15
Q

2nd MC skin cancer in US

A

SCC

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16
Q

More common in renal transplant pts

A

SCC

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17
Q

SCC?

A

Malignant neoplasm of keratinocytes

Local, does not metastasize

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18
Q

SCC

pe

A

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

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19
Q

SCC

cause

A

UV exposure, carcinogens

20
Q

SCC

dx

A

Shave biopsies are MC

21
Q

SCC

trmt

A

MOHS micrographic surgery

22
Q

do Keratoacanthoma metastasize

A

no

23
Q

Keratoacanthoma cause

A

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

24
Q

Keratoacanthoma pe

A

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

Dome shaped with central keratotic plug

25
Q

Keratoacanthoma trmt

A

Excision if 1

Systemic retinoids or methotrexate if many

26
Q

Keratoacanthomaprognosis

A

Good

Many go away on own and don’t spread

27
Q

MCC skin cancer and MC cancer in US

A

bcc

28
Q

bcc?

A

Neoplasm of epidermal basal cell

29
Q

do bcc metastasize

A

no

30
Q

bcc cause

A

UV radiation

31
Q

MC type BCC

A

nodular

32
Q

nodular bcc

A

“Pearly pink papule” with rolled borders

33
Q

pigmented bcc

A

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

34
Q

superficial bcc

A

Red and crusted with pearly or rolled border

35
Q

sclerosing bcc

A

Infiltrating carcinoma

36
Q

ulcerating bcc

A

Ulcer with rolled border

37
Q

bcc dx

A

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

38
Q

bcc trmt

A

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

39
Q

SLOW course

A

bcc

40
Q

pcc prevention

A

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

41
Q

Pigmented lesions are from

A

From inc melanocytes, nevus cells, or pigment

42
Q

Ephelides/freckles

cause

A

Sun

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

43
Q

Ephelides/freckles

dx

A

PE, no biopsy

44
Q

Ephelides/freckles

trmt

A

None

Avoid sun

45
Q

Lentigines (sun spots)

?

A

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

46
Q

Lentigines (sun spots)

dx

A

Biopsy if you think its harmful and something else

47
Q

Lentigines (sun spots)

trmt

A

None

Sunscreen

clin med (35 decks)

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