Dermatitis etc

Question 0

Ill-defined, erythematous, scaling patches

edematous papules and vesicles

Answer 0

Atopic dermatitis/eczema

Question 1

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

Answer 1

Atopic dermatitis
aka
Eczema

Question 2

Eczema/atopic dermatitis tx

Answer 2

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

Question 3

exaggerated skin markings; dry, leathery appearance; excess pigmentation

Answer 3

Lichen Simplex Chronicus

Question 4

Lichen Simplex Chronicus etiology (2)

Answer 4

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

Question 5

Lichen Simplex Chronicus tx?

Answer 5

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

TCAs/neuroleptics for neuropathy

Question 6

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

Answer 6

Dyshidrotic eczema (Pompholyx)

Question 7

Dyshidrotic eczema tx?

Answer 7

wet dressings, topical steroids

Question 8

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

Answer 8

keratosis pilaris

Question 9

keratosis pilaris etiology

Answer 9

keratinization disorder

Question 10

keratosis pilaris tx (multiple)

Answer 10

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

Question 11

contact dermatitis types?

Answer 11

allergic and irritant

Question 12

contact dermatitis allergic type cause?

Answer 12

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

Question 13

irritant contact dermatitis cause?

Answer 13

repeated friction and mechanical irritation

Question 14

contact dermatitis treatment

Answer 14

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

Question 15

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

Answer 15

seborrheic dermatitis

Question 16

papulosquamous dermatitis

Answer 16

seborrheic dermatitis

Question 17

Seborrheic dermatitis tx (3)

Answer 17

antidandruff shampoo
topical ketoconazole
oral antifungals

Question 18

purple, pruritic, polygonal, papule

Answer 18

Lichen Planus

Question 19

Pink, sharply defined plaques covered w/ silvery scales

Answer 19

Psoriasis

Question 20

Psoriasis hot spots

Answer 20

elbows, knees, scalp

Question 21

punctate bleeding due to removal of psoriasis scales

Answer 21

Auspitz sign

Question 22

psoriatic plaques developing at the site of prior injury

Answer 22

Koebner phenomenon

Question 23

Psoriasis tx (multiples)

Answer 23

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

Question 24

Psoriasis tx big no-no

Answer 24

Oral steroids

Question 25

purple/red plaques w/ scales | usually localized to head, scalp, face, and ears

Answer 25

discoid lupus

Question 26

painless sub-epidermal blistering of skin on dorsum of hands

Answer 26

Porphyria cutanea tarda

Question 27

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

Answer 27

Erythema migrans

Question 28

Pink target lesions on skin and mucosal surfaces

Answer 28

Erythema multiforme

Question 29

Erythema multiforme etiology

Answer 29

immunologic rxn caused by circulating immune complexes

Question 30

Erythema multiforme treatment

Answer 30

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

Question 31

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

Answer 31

Erysipelas

Question 32

Erysipelas tx

Answer 32

IV abx against B-hemolytic strep and staph

Question 33

Erysipelas etiology

Answer 33

B-hemolytic strep infection

Question 34

Discoid lupus tx (3)

Answer 34

avoid sun intralesional high potency steroids consider SLE

Question 35

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

Answer 35

Cellulitis

Question 36

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

Answer 36

Cellulitis

Question 37

cellulitis tx

Answer 37

IV abx, oral abx for mild

Question 38

intraepidermal bacterial infection of the skin from staph aureus

Answer 38

bullous impetigo

Question 39

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

Answer 39

non-bullous impetigo

Question 40

impetigo tx

Answer 40

topical abx like Bactroban, oral abx

Question 41

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

Answer 41

Toxic epidermal necrolysis

Question 42

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

Answer 42

Dermatitis herpetiformitis