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Emma Derm > Random (mostly tusk quizzes) > Flashcards

Random (mostly tusk quizzes) 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
most common subtype of melanoma
superficial spreading | can develop anywhere on the body
26
The ABCDs of melanoma are useful for
detection
27
2 foot 1 hand
tinea | scaly
28
KOH prep should be performed where?
from the leading edge of scale (where fungus is most abundant) when tinea suspected
29
Which tx may worsen tinea?
Topical steroids via decreasing immune system activity at the eruption site.
30
KOH findings in tinea
positive for fungal hyphae
31
dermatophyte infection
tinea
32
violaceous flat-topped polygonal papules with fine reticulate scale
lichen planus
33
mucosal involvement
lichen planus
34
6 Ps
``` pruritic purple polygonal planar papules plaques ``` (lichen planus)
35
lichen plantus tx
topical steroids
36
papulosquamous
scales | xs stratum corneum
37
Nystatin has good _____ coverage.
Candidal
38
Clotriamzole has good _____ coverage.
dermatophyte
39
active against both candida and dermatophytes
azoles | ciclopirox
40
which disorders req oral anti-fungals?
tinea capitis tinea folliculitis onychomycosis (fungi are deep)
41
spaghetti and meatballs
KOH results Round yeast and elongated pseudohyphal forms seen in tinea versicolor ^ assoc w/ Malassezia furfur
42
A KOH prep with fungal hyphae
tinea (dermatophytes)
43
Pt with a chronic papulosquamous dermatitis unresponsive to therapy, one should entertain the dx of
Cutaneous T Cell Lymphoma do punch biopsy
44
pityriasis rosea tx
should resolve on its own 6-8wks
45
topical steroid uses
lichen planus seborrheic dermatitis CTCL
46
Is biopsy useful when differentiating dermatitises?
No - all eczematous dermatoses appear identical on biopsy.
47
T/F antihistamines role in primary etiology of atopic dermatitis
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
side effects of topical steroids
atrophy acne glaucoma osteoporosis
49
atopic dermatitis distribution in infants
face
50
atopic dermatitis distribution in children
flexor
51
atopic dermatitis distribution in adults
extensor
52
extremely itchy erythema tapioca vesicles hands/feet
dyshidrotic dermatitis reaction to a distal dermatophyte infection
53
urticaria is associated primarily with ___ release
IgE
54
topical or systemic steroids are useful in acute urticaria?
systemic
55
most likely cause of erythema multiforme
HSV
56
other likely causes of erythema multiforme
meds (NSAIDS, sulfa drugs, phenytoin) AI cancer
57
acanthosis nigricans associations
diabetes, hormonal irregularities, medications, obesity and underlying malignancies.
58
velvety rash | intertriginous areas
acanthuses nigricans
59
scattered, dark purple vascular papules and nodules on his chest, abdomen, upper extremities and oral mucosa
Kaposi's | endothelial cell prolif
60
targetoid papular lesion with dark/dusky central area
erythema multiforme
61
Xanthelasmas
lipid-laden histiocytes on eyelids
62
psoriasis distribution
scalp, umbilicus, gluteal cleft and extensor surfaces, particularly the elbows and knees
63
Neutrophils in the stratum corneum cause the pustules seen in ______.
psoriasis | Munro abscesses
64
tx for psoriasis with more disease than 5% of body surface area
methotrexate
65
first line tx for psoriasis
corticosteroids
66
methotrexate may be associated with
hepatotoxicity and agranulocytosis - follow LFTs and CBC
67
``` epidermal thickening (acanthuses) inc stratum spinosum ```
psoriasis
68
guttate psoriasis
"drop-like" lesions of acute onset trunk may be preceded by strep infection
69
erythrodermic psoriasis
full body redness and scale | lost protective functions of skin
70
inverse psoriasis
present in body FOLDS and areas opposite of normal extensor psoriasis distribution relative lack of scale axillae and inguinal region
71
dermatitis herpetiformis distribution
extensor surfaces
72
epidermal-dermal junction
bullous pemphigoid
73
sawtooth pattern of rete ridges
lichen planus
74
inflammatory fx of psoriasis
TNF-alpha IL-17 IL-23
75
cyclosporine | apremilast
oral agents used for psoriasis
76
epidermal intracellular edema
spongiosis
77
all eczematous dermatitides are characterized by
spongiosis | edema between keratinocytes
78
atopic dermatitis --> Th_ inflamm response
Th2
79
lichen simplex chronichus
chronic eczematous dermatitis resulting from xs scratching/rubbing can be end result of atopic dermatitis
80
dapsone
for dermatitis herpetiformis inhib neutrophil migration
81
longest to shortest wavelength spectrum
IR, visible, UVA, UVB, UVC
82
acne involves ___ lymphocyte invasion of the follicular wall
CD4
83
primary cause of inflammatory acne
Lymphocyte and neutrophil migration
84
clinical features of rosacea
telangectasia ocular burning/dryness plaques erythema
85
T/F chronic eczema is a risk fx for cancer
false
86
T/F shave biopsy is sufficient for histo dx of non-melanoma skin cancer
true
87
location of lesion on ______ are candidates for mohs surgery
face/genital
88
glabella involvement
seborrheic dermatitis
89
annular lesion central clearing scaling along edge
tinea
90
pityrosorum ovale
malassezia furur assoc w tinea versicolor
91
Topical calcineurin inhibitors can help in decreasing the inflammation associated with
atopic dermatitis
92
Id reaction
reaction to a distal dermatophyte infection can cause dyshidrotic dermatitis
93
T/F aconthosis nigricans is assoc w/ IBD
false
94
T/F SLE may be assoc w/ erythema nodosum
true
95
gluteal cleft
psoriasis
96
dactylitis
(sausage digits) psoriatic arthritis
97
enthesitis
psoriatic arthritis
98
spondylitis
psoriatic arthritis
99
first line tx for psoriasis pt with limited skin disease and no arthritis
topical steroids

Emma Derm (2 decks)

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