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Emma Derm > Random (mostly tusk quizzes) > Flashcards

Random (mostly tusk quizzes) Flashcards

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Dermatology Board Prep flashcards
1
Q

an evanescent edematous erythematous plaque

A

wheal

acute urticaria

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2
Q

accentuation of skin markings due to chronic scratching

A

lichenification

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3
Q

presence of lesions at location of prior skin trauma

A

koebnerization

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4
Q

central clearing

ring like

A

annular

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5
Q

involving the body folds (ie, inguinal region)

A

intertriginous

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6
Q

Serpiginous

A

snake-like (borders)

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7
Q

SPF does evaluate protection only to ___ rays.

A

UVB

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8
Q

___ rays are associated with erythema and burning.

A

UVB

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9
Q

___ rays are filtered by the ozone layer.

A

UVC

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10
Q

___ radiation is responsible for deeper damage due to its deeper penetration than UVB such as dermal wrinkling.

A

UVA

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11
Q

SPF is defined as

A

the amount of time required to produce erythema in skin with sunscreen / amount of time required to produce erythema in unprotected skin

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12
Q

Keratinocyte proliferation is associated with _____ acne

A

comedonal

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13
Q

molluscum remission usu takes

A

6-9 mo.

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14
Q

Ephilids

A

small tan to brown macules that present on sun-exposed skin

aka FRECKLES

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15
Q

Melanocytic nevi

A

tan to brown macules or papules that often first appear in childhood

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16
Q

keloids may improve w which type of steroids?

A

intralesional steroids as topical steroids often can’t penetrate the surface of the skin

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17
Q

Breslow depth

A

area of maximal thickness of tumor invasion from the top of the granular layer to the base of the neoplasm

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18
Q

____ biopsies are recommended in all pigmented lesions

A

Punch

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19
Q

“punched out” red plaque or nodule

A

SCC

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20
Q

shiny borders

A

basal cell CA

w/ telangiectasia and sometimes central ulceration or umbilication

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21
Q

sunscreen should be applied

A

every 2-3 hours

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22
Q

Lentigo maligna melanomas

A

slower growing melanomas
elderly
grow horizontally

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23
Q

acral lentinginous

A

most comm in non-caucasian
least comm overall
palms, bottom of foot, under nails

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24
Q

_____ melanoma is the most aggressive form of melanoma.

A

Nodular melanoma is the most aggressive form of melanoma.

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25
Q

most common subtype of melanoma

A

superficial spreading

can develop anywhere on the body

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26
Q

The ABCDs of melanoma are useful for

A

detection

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27
Q

2 foot 1 hand

A

tinea

scaly

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28
Q

KOH prep should be performed where?

A

from the leading edge of scale (where fungus is most abundant)

when tinea suspected

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29
Q

Which tx may worsen tinea?

A

Topical steroids via decreasing immune system activity at the eruption site.

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30
Q

KOH findings in tinea

A

positive for fungal hyphae

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31
Q

dermatophyte infection

A

tinea

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32
Q

violaceous flat-topped polygonal papules with fine reticulate scale

A

lichen planus

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33
Q

mucosal involvement

A

lichen planus

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34
Q

6 Ps

A 
pruritic 
purple
polygonal
planar
papules
plaques

(lichen planus)

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35
Q

lichen plantus tx

A

topical steroids

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36
Q

papulosquamous

A

scales

xs stratum corneum

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37
Q

Nystatin has good _____ coverage.

A

Candidal

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38
Q

Clotriamzole has good _____ coverage.

A

dermatophyte

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39
Q

active against both candida and dermatophytes

A

azoles

ciclopirox

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40
Q

which disorders req oral anti-fungals?

A

tinea capitis
tinea folliculitis
onychomycosis

(fungi are deep)

41
Q

spaghetti and meatballs

A

KOH results

Round yeast and elongated pseudohyphal forms seen in tinea versicolor
^ assoc w/ Malassezia furfur

42
Q

A KOH prep with fungal hyphae

A

tinea (dermatophytes)

43
Q

Pt with a chronic papulosquamous dermatitis unresponsive to therapy, one should entertain the dx of

A

Cutaneous T Cell Lymphoma

do punch biopsy

44
Q

pityriasis rosea tx

A

should resolve on its own 6-8wks

45
Q

topical steroid uses

A

lichen planus
seborrheic dermatitis
CTCL

46
Q

Is biopsy useful when differentiating dermatitises?

A

No - all eczematous dermatoses appear identical on biopsy.

47
Q

T/F

antihistamines role in primary etiology of atopic dermatitis

A

As atopic dermatitis is not a histamine mediated process, antihistamines do NOT assist with the primary etiology.

May alleviate pruritus through a secondary mechanism.

48
Q

side effects of topical steroids

A

atrophy
acne
glaucoma
osteoporosis

49
Q

atopic dermatitis distribution in infants

A

face

50
Q

atopic dermatitis distribution in children

A

flexor

51
Q

atopic dermatitis distribution in adults

A

extensor

52
Q

extremely itchy
erythema
tapioca vesicles
hands/feet

A

dyshidrotic dermatitis

reaction to a distal dermatophyte infection

53
Q

urticaria is associated primarily with ___ release

A

IgE

54
Q

topical or systemic steroids are useful in acute urticaria?

A

systemic

55
Q

most likely cause of erythema multiforme

A

HSV

56
Q

other likely causes of erythema multiforme

A

meds (NSAIDS, sulfa drugs, phenytoin)
AI
cancer

57
Q

acanthosis nigricans associations

A

diabetes, hormonal irregularities, medications, obesity and underlying malignancies.

58
Q

velvety rash

intertriginous areas

A

acanthuses nigricans

59
Q

scattered, dark purple vascular papules and nodules on his chest, abdomen, upper extremities and oral mucosa

A

Kaposi’s

endothelial cell prolif

60
Q

targetoid papular lesion with dark/dusky central area

A

erythema multiforme

61
Q

Xanthelasmas

A

lipid-laden histiocytes on eyelids

62
Q

psoriasis distribution

A

scalp, umbilicus, gluteal cleft and extensor surfaces, particularly the elbows and knees

63
Q

Neutrophils in the stratum corneum cause the pustules seen in ______.

A

psoriasis

Munro abscesses

64
Q

tx for psoriasis with more disease than 5% of body surface area

A

methotrexate

65
Q

first line tx for psoriasis

A

corticosteroids

66
Q

methotrexate may be associated with

A

hepatotoxicity and agranulocytosis - follow LFTs and CBC

67
Q 
epidermal thickening (acanthuses)
inc stratum spinosum
A

psoriasis

68
Q

guttate psoriasis

A

“drop-like” lesions of acute onset
trunk
may be preceded by strep infection

69
Q

erythrodermic psoriasis

A

full body redness and scale

lost protective functions of skin

70
Q

inverse psoriasis

A

present in body FOLDS and areas opposite of normal extensor psoriasis distribution

relative lack of scale

axillae and inguinal region

71
Q

dermatitis herpetiformis distribution

A

extensor surfaces

72
Q

epidermal-dermal junction

A

bullous pemphigoid

73
Q

sawtooth pattern of rete ridges

A

lichen planus

74
Q

inflammatory fx of psoriasis

A

TNF-alpha
IL-17
IL-23

75
Q

cyclosporine

apremilast

A

oral agents used for psoriasis

76
Q

epidermal intracellular edema

A

spongiosis

77
Q

all eczematous dermatitides are characterized by

A

spongiosis

edema between keratinocytes

78
Q

atopic dermatitis –> Th_ inflamm response

A

Th2

79
Q

lichen simplex chronichus

A

chronic eczematous dermatitis resulting from xs scratching/rubbing

can be end result of atopic dermatitis

80
Q

dapsone

A

for dermatitis herpetiformis

inhib neutrophil migration

81
Q

longest to shortest wavelength spectrum

A

IR, visible, UVA, UVB, UVC

82
Q

acne involves ___ lymphocyte invasion of the follicular wall

A

CD4

83
Q

primary cause of inflammatory acne

A

Lymphocyte and neutrophil migration

84
Q

clinical features of rosacea

A

telangectasia
ocular burning/dryness
plaques
erythema

85
Q

T/F

chronic eczema is a risk fx for cancer

A

false

86
Q

T/F

shave biopsy is sufficient for histo dx of non-melanoma skin cancer

A

true

87
Q

location of lesion on ______ are candidates for mohs surgery

A

face/genital

88
Q

glabella involvement

A

seborrheic dermatitis

89
Q

annular lesion
central clearing
scaling along edge

A

tinea

90
Q

pityrosorum ovale

A

malassezia furur

assoc w tinea versicolor

91
Q

Topical calcineurin inhibitors can help in decreasing the inflammation associated with

A

atopic dermatitis

92
Q

Id reaction

A

reaction to a distal dermatophyte infection

can cause dyshidrotic dermatitis

93
Q

T/F

aconthosis nigricans is assoc w/ IBD

A

false

94
Q

T/F

SLE may be assoc w/ erythema nodosum

A

true

95
Q

gluteal cleft

A

psoriasis

96
Q

dactylitis

A

(sausage digits)

psoriatic arthritis

97
Q

enthesitis

A

psoriatic arthritis

98
Q

spondylitis

A

psoriatic arthritis

99
Q

first line tx for psoriasis pt with limited skin disease and no arthritis

A

topical steroids

Emma Derm (2 decks)

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