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14 Cards in this Set
- Front
- Back
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Eczema AKA
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Atopic Dermatitis
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Hall mark of eczema
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dry skin and severe pruritus
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What respiratory prob is assoc with eczema
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Associated with asthma and allergic rhinitis
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atopic march?
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AD is often the first manifestation of the “atopic march” which is a progression of atopic diseases including food allergies, asthma and allergic rhinitis that present during childhood
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Conventional Therapies for Atopic Dermatitis
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Emollients
Irritant allergen identification and avoidance Topical corticosteroids Topical Immunomodulators (Elidel, Protopic) Antibiotics as needed Sedating antihistamines Systemic therapies Phototherapy (PUVA, UVA, UVB) Immunosuppressive agents |
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Issues Associated with Long-term Topical Corticosteroid Therapy
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Tachyphylaxis (diminishing efficacy)*
Skin side effects -Atrophy, telangiectasia, striae, dyspigmentation HPA-axis suppression (reduced cortisol) -A greater concern in children because: --Higher body surface area (BSA) to weight ratios than adults --Occlusion in diaper areas increases absorption Cushing’s syndrome and potential for growth retardation Risk of cataract and glaucoma |
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What dermititis works like this?
Antigen is absorbed in skin by Langerhans cells-processes antigen and takes it to lymph nodes and T cells-sensitized T cells then enter blood circulation-then all of the skin becomes hypersensitive to the allergen |
Contact dermatitis
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A type of contact dermatitis caused by lemons and limes
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Phytophoto dermatitis
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Common metal (jewelry) contact dermatitis
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Nickel
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Localized form of lichenification
Characteristic feature of AD but can occur independent of AD Results from rubbing and scratching at an area for months to years Often related to emotional stress Patients often say that the scratching becomes pleasurable and will scratch until it bleeds |
Lichen Simplex Chronicus
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Occurs in the winter in elderly
Skin is dry, ‘cracked’, fissured with slight scaling Persists for months Due to too frequent bathing in hot water and too much heat in the house |
Eczema Craquelatum/ Asteatotic Eczema
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Chronic, pruritic, inflammatory dermatitis occurring in the form of coin shaped plaques
Common on lower legs of elderly men in the winter months |
Nummular Eczema
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Hypopigmented to slightly pink, lightly scaly plaques on face, trunk, arms
Associated with AD |
Pityriasis Alba
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Chronic, self-limited dermatosis of the dermis
Annular plaques usually on hands and feet Common in children Disappears in 2 yrs in 75% of pts Recurrences are common Often dx as tinea |
Granuloma Annulare
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