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Clin Med 1 > Dermatitis etc > Flashcards

Dermatitis etc Flashcards

0
Q

Ill-defined, erythematous, scaling patches

edematous papules and vesicles

A

Atopic dermatitis/eczema

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1
Q

pruritis, eczema (red, swollen, scaling, crust)
face, neck, and flexural areas
early onset

A

Atopic dermatitis
aka
Eczema

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2
Q

Eczema/atopic dermatitis tx

A 
avoid triggers, avoid scratching, moisturize
Antihistamines for itching
Topical steroids (briefly)
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3
Q

exaggerated skin markings; dry, leathery appearance; excess pigmentation

A

Lichen Simplex Chronicus

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4
Q

Lichen Simplex Chronicus etiology (2)

A

secondary skin disorder, results from excess rubbing/scratching
can be from neuropathy

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5
Q

Lichen Simplex Chronicus tx?

A

Stop the itch-scratch cycle: topical steroids, moisturizers.

TCAs/neuroleptics for neuropathy

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6
Q

deep vesicles with tapioca-like appearance: hands, lateral sides of fingers, intense itching

A

Dyshidrotic eczema (Pompholyx)

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7
Q

Dyshidrotic eczema tx?

A

wet dressings, topical steroids

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8
Q

flesh-colored/red/brown, rough, raised papules on upper arms, thighs, cheeks, back

A

keratosis pilaris

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9
Q

keratosis pilaris etiology

A

keratinization disorder

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10
Q

keratosis pilaris tx (multiple)

A

self-resolving. Moisturizers, exfoliating scrubs, retinoids, urea, salicylic acid, a-hydroxy acids

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11
Q

contact dermatitis types?

A

allergic and irritant

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12
Q

contact dermatitis allergic type cause?

A

delayed-type hypersensitivity (Type IV) rxn- lasts for several days post-exposure

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13
Q

irritant contact dermatitis cause?

A

repeated friction and mechanical irritation

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14
Q

contact dermatitis treatment

A

stop exposure, decreased hand washing, bland emollient, topical steroid 2x daily

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15
Q

mild dandruff to greasy scales, macules, patches, papules affecting scalp, eyebrows, ears- chronic flaking and scaling

A

seborrheic dermatitis

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16
Q

papulosquamous dermatitis

A

seborrheic dermatitis

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17
Q

Seborrheic dermatitis tx (3)

A

antidandruff shampoo
topical ketoconazole
oral antifungals

18
Q

purple, pruritic, polygonal, papule

A

Lichen Planus

19
Q

Pink, sharply defined plaques covered w/ silvery scales

A

Psoriasis

20
Q

Psoriasis hot spots

A

elbows, knees, scalp

21
Q

punctate bleeding due to removal of psoriasis scales

A

Auspitz sign

22
Q

psoriatic plaques developing at the site of prior injury

A

Koebner phenomenon

23
Q

Psoriasis tx (multiples)

A

topical high-potency steroids, anthralin (keratolytic agent), topical retinoid, phototherapy, MTX

24
Q

Psoriasis tx big no-no

A

Oral steroids

25
Q

purple/red plaques w/ scales

usually localized to head, scalp, face, and ears

A

discoid lupus

26
Q

painless sub-epidermal blistering of skin on dorsum of hands

A

Porphyria cutanea tarda

27
Q

Slightly raised, warm, red lesion w/ central clearing- resembles target lesion. Usually on extremities

A

Erythema migrans

28
Q

Pink target lesions on skin and mucosal surfaces

A

Erythema multiforme

29
Q

Erythema multiforme etiology

A

immunologic rxn caused by circulating immune complexes

30
Q

Erythema multiforme treatment

A

symptomatic tx w/ topical or systemic steroids, anti-viral tx if its early

31
Q

cellulitis on cheeks, fever, malaise, spreading well-circumscribed papule/plaque, pain, edema, heat

A

Erysipelas

32
Q

Erysipelas tx

A

IV abx against B-hemolytic strep and staph

33
Q

Erysipelas etiology

A

B-hemolytic strep infection

34
Q

Discoid lupus tx (3)

A

avoid sun
intralesional high potency steroids
consider SLE

35
Q

Diffuse, spreading superficial infection w/ staph or group A strep

A

Cellulitis

36
Q

swelling, streaking erythema and pain. Expanding lesions w/ fever, chills, and malaise

A

Cellulitis

37
Q

cellulitis tx

A

IV abx, oral abx for mild

38
Q

intraepidermal bacterial infection of the skin from staph aureus

A

bullous impetigo

39
Q

papules turning to vesicles w/ lesions and erythema, regional adenopathy

A

non-bullous impetigo

40
Q

impetigo tx

A

topical abx like Bactroban, oral abx

41
Q

bullae, sloughing of epidermal layers >30% of skin surface

A

Toxic epidermal necrolysis

42
Q

pruritic vesicular disease, w/ ~75% of pts having gluten sensitivity

A

Dermatitis herpetiformitis

Clin Med 1 (18 decks)

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