dermatology UWorld Flashcards

1
Q

dx?
serology?
tx:

A
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2
Q

dx?
d/t?
tx:

A

activation of memory T cells

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3
Q
A

contact dermatitis

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4
Q

rash 10 days ago with occasional diarrhea

A

dermatitis herpetiformis

associated with celiacs disease
sub epidermal microabscesses at tips of dermal papillae
IF: anti-epidermal transglutaminase IgA in dermis
tx: dapsone

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5
Q

scaly lesions with pigment changes and shallow ulceration

A

discoid lupus erythematosus

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6
Q

recurrent pruritic rash on palms/soles/hands/feet

A

acute palmoplantar eczema – dyshidrotic eczema

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7
Q

painful blisters after playing golf – friction induced with thickening of skin

A

epidermolysis bullosa

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8
Q

pt had infection took Bactrim then developed painful tender lesions on legs

A
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9
Q

pt undergoes stressful event, weight loss, pregnancy, trauma, then when pulls at hair >10-15% falls out

A

Telogen effluvium

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10
Q

chemotherapy – then lose hair

A

Anagen effluvium – impaired follicular keratinocyte proliferation

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11
Q

painless, patchy, non scarring hair loss
tx?

A

intralesional triamcinolone

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12
Q

dx?
tx?

A

ichthyosis vulgaris
topical alpha hydroxy acid

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13
Q
A

drug induced: ace inhibitor, thiazides

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14
Q

pt with rash 3 weeks, hx of IV drug use

A

lichen Planus ,, associated with Hep C

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15
Q
A

nummular eczema

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16
Q
A
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17
Q

painful sores and blisters, in mouth and trunk/extremities

A
18
Q

rapid onset and progression of psoriasis with scraping of scales with bleeding, auspitz, and arthritis associated with

A

psoriasis
associated with
HIV**
strep pharyngitis
medications

19
Q
A
20
Q
A
21
Q

dx and tx

A

rosacea
topical metronidazole

22
Q

dx and tx

A

seborrheic dermatitis
topical ketoconozole

23
Q

elderly, thin hyper pigmented skin with several flat, dark purple ecchymotic areas over the dorsum of both forearms

A

perivascular connective tissue atrophy

24
Q

elderly, thin hyper pigmented skin with several flat, dark purple ecchymotic areas over the dorsum of both forearms

A

perivascular connective tissue atrophy

25
Q

dx?

A

TEN since more than 30%

26
Q
A

destruction of melanocytes

associated with HYPOTHYROIDISM

27
Q

inflamed papules, pustules, erythema
tx

A

topical clindamycin

28
Q
A

comdedonal acne
tx topical retinoids

29
Q
A

cherry hemangioma

30
Q
A

dermatofibroma

31
Q

pt recently underwent kidney transplant is receiving high dose corticosteroids

A

kaposi sarcoma HHV8

32
Q

molluschi contagious associated with

A

HIV
cellular immunodeficiency

33
Q
A
34
Q
A

punch biopsy

35
Q
A

seborrheic keratosis

36
Q

cellulitis

A
37
Q
A
38
Q
A
39
Q
A
40
Q
A

tines cruris

41
Q
A

facial angiofibromas

42
Q
A

facial angiofibromas