Eczematous & Papulosquamous Disorders Flashcards Preview

Dermatology > Eczematous & Papulosquamous Disorders > Flashcards

Flashcards in Eczematous & Papulosquamous Disorders Deck (56)
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1

Types of Eczematous Disorders

Atopic
Nummular eczema
Lichen simplex chronica
Dyshydrotic eczema
Contact
Diaper
Candidiasis
Perioral
Seborrheic
Stasis

2

Types of Papulosquamous Disorders

Lichen planus
Pityriasis rosea

3

Characteristics of Eczematous Lesions

Scaling
Crusting
Serous oozing

4

Define Dermatitis

Describes multiple types of skin disorders

5

Common Name for Atopic Dermatitis

Eczema

6

2 Theories of Atopic Dermatitis Pathogenesis

Impaired epidermal barrier function due to intrinsic structural & functional abnormalities in the skin
Immune function disorder in which Langerhans cells, T-cells, & immune effector cells modulate an inflammatory response to environmental factors

7

Clinical Manifestations of Atopic Dermatitis

Pruritus
Eczematous change & lichenification
Lesions ooze, crust & become purulent

8

Location of Atopic Dermatitis in Adults

Neck
Wrists
Behind ears
Antecubital & popliteal flexure areas

9

Location of Atopic Dermatitis in Children

Neck
Wrists
Behind ears
Antecubital & popliteal flexure areas
Cheeks/face

10

Treatment of Atopic Dermatitis Treatment

Eliminate exacerbating factors
Antihistamines used to treat pruritus
Hydration!!
Topical steroids
Burrow's solution for oozing lesions
Treat skin infections

11

Eliminating Exacerbating Factors for Atopic Dermatitis Treatment

Avoid triggers: heat, low humidity, perspiration
Treat stress & anxiety

12

Antihistamines Used in Atopic Dermatitis

Doxepin
Vistaril

13

Mild to Moderate Cases of Atopic Dermatitis

Topical steroids & emollients
Mild: low potency steroid cream or ointment
Moderate: medium to high potency steroids

14

Topical Steroids SE

Atrophy
Telangiectasia
Purpura
Striae
Acneform eruption

15

>3 weeks of therapy for the face or skin folds should use what class of medications

Topical calcineurin inhibitors

16

Black Box Warning for Topical Calcineurin Inhibitors

Increase the incidence of skin cancer & lymphoma with long term use

17

1st Line Treatment for Atopic Dermatitis

Hydration
Antidepressants

18

2nd Line Treatment for Atopic Dermatitis

Steroids
Topical calcineurin inhibitors

19

Define Nummular Eczema

Eczema that is described as coin shaped lesions

20

Where does nummular eczema usually occur?

Trunk
Lower extremities

21

What may be an alternative treatment for atopic dermatitis?

Phototherapy
Immunosuppressants: methotrexate, azithiorpine, cyclosporine, systemic steroids, IVIG

22

Describe Lichen Simplex Chronicus

What occurs as a result of chronic eczematous changes & scratching

23

Define Lichen Simplex Chronicus

Circumscribed plaque of thickened skin with increased markings with some scaling

24

Describe Dyshydrotic Eczema

Vesicular eruption on the skin of the hand & feet marked by intense itching
Scaling, fissures, & lichenification may follow

25

Treatment of Dyshydrotic Eczema

High potency topical steroids
May need to be given with occlusion
Hydration of the skin

26

Define Contact Dermatitis

Dermatitis due to a direct exposure to a substance
From allergy or irritation

27

Common Offenders of Contact Dermatitis in the U.S.

Poison ivy
Poison oak
Poison sumac
Skin of mangoes
Gingko fruit
Nickel
Formaldehyde
Perfumes/cosmetics
Preservatives
Rubber & chemicals in shoes
Topical hydrocortison
Topical antibiotics
Topical benzecaine, thimersol
Laundry detergents

28

Presentation of Contact Dermatitis

Intense pruritus
Rash
Papular, erythematous lesions
Papule from fluid in epidermis
Vesicles & serous oozing

29

Treatment of Plant Based Contact Dermatitis

Topical symptomatic therapy
Antihistamines
High potency topical corticosteroids
Systemic corticosteroids

30

Topical Symptomatic Therapy for Contact Dermatitis

Oatmeal baths
Cool, wet compresses
Calamine lotion
Burrow's or Domeboro solution for weeping lesions
Zanfel soap