Eczematous disorders

Question 1

Contact dermatitis- Eti

Answer 1

Direct skin contact with chemical or allergen- Irritant v allergen

Question 2

Contact derm- Sx

Answer 2

Bizarre, asymmetric patterns, hot and swollen.
Allergen- weeping & crusting, prurites, vesicles and bullae
Irritant- red & scaly, not vesicular

Question 3

Contact derm- Dx

Answer 3

Rule out impetigo or scabies

Question 4

Contact derm- Tx

Answer 4

Corticosteroids- topical or oral, itch relief, compress. Removal of irritant

Question 5

Atopic dermatitis- Eti

Answer 5

Family history, manifests with allergic rhinitis and asthma, childhood onset

Question 6

Atopic dermatitis– Sx

Answer 6

Severe pruritus, on flexural surfaces, neck, rough red plaques, lichenification, weeping, vesicular dermatitis

Question 7

Atopic dermatitis– Dx

Answer 7

Must have 4:

• Pruritus
• Early age of onset
• Typical morphology and distribution
• Chronically relapsing
• Personal or fan hx of asthma, rhinitis, atopia

Question 8

Atopic dermatitis-Tx

Answer 8

Bathing & moisturizing, topical corticosteroids- triamcinalone, moisturizers against flares

Question 9

Lichen simplex- Eti

Answer 9

self perpetuating scratch-itch cycle

Question 10

Lichen simplex-Sx

Answer 10

Skin lines exaggerated, rectangular, thickened patches- neck, ankles or perineum

Question 11

Lichen simplex-Dx

Answer 11

Clinical

Question 12

Lichen simplex-Tx

Answer 12

Superpotent topical corticosteroids- occlusion

Question 13

Nummular Eczema-Eti

Answer 13

Common in extremities, winter

Question 14

Nummular Eczema-Sx

Answer 14

Coin shaped plaques- chronic, pruritic, inflammatory on erythematous base

Question 15

Nummular Eczema-Dx

Answer 15

clinical

Question 16

Nummular Eczema-Tx

Answer 16

Hydration & topical corticosteroids

Question 17

Dyshidrotic Eczema- Eti

Answer 17

Often in atopic with flares, 3rd decade with lifelong recurrences

Question 18

Dyshidrotic Eczema- Sx

Answer 18

Vesicular hand and foot dermatitis- deep seated, prussic, clear tapioca like vesicles

Question 19

Dyshidrotic Eczema- Tx

Answer 19

Topical high potency corticosteroids- triamcinalone 3mg or systemic predinsone

Question 20

Asteatotic dermatitis- Eti

Answer 20

Older persons, winter in temperate climates- too frequent bathing in hot soapy environments

Question 21

Asteatotic dermatitis- Sx

Answer 21

Cracked, superficially fissured skin with scaling, incessant pruritus on legs arms hands and trunk

Question 22

Asteatotic dermatitis- Tx

Answer 22

Increase humidity in house, moisturize, medium potency glucocorticoids if inflamed