Term
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Definition
erythema, edema, vesicles
histo; epidermal spongiosis (inter cellular edema)
Tx: steroid cream |
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Term
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Definition
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Term
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Definition
light pink to red macules, papules, patches and plaques
indistinct borders
histo: mild spongiosis, no intraepidermal vessels |
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Term
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Definition
scaling tan to faintly pink macules, papules, patches and plaques
excorations are less common, may be secondariliy infected
histo: epidermal hyperplasia |
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Term
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Definition
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Term
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Definition
circumscribed chrnoic dermatitis: markedly thickened, firm plaques with accentuation of the normal skin lines and adherent scale
histo: epidermal hyperplasia & firbosis of the papillary dermis |
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Term
| What is the most common type of dermatitis? |
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Definition
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Term
| What is the diff between irritant and allergic dermatitis? |
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Definition
irritant: no delay between onset of dermatitis and contact w/irritant; no prior exposure needed
allergic: requires prior exposure, 48-72 hour delay in onset; recurs as acute dermatitis with low concentration of the agent |
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Term
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Definition
| multiple allergens placed on individuals back in low concentrations, left for 48 hrs |
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Term
| How is contact dermatitis treated? |
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Definition
acute: topical corticosteroid creams, systemic if necessary
subactive: topical steroid ointments and lotions
chronic: steroid ointments |
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Term
| How do you differentiate between acute dermatitis and subacute? |
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Definition
| subacute does not have intraepidermal vesicles |
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Term
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Definition
annular or ringed plaques of eczema simulating coins
tend to appear in areas of dryness and more common in patients w/hereditary predisposition to the condition
may be difficult to treat in the winte |
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Term
| annular or ringed plaques of eczema |
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Definition
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Term
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Definition
under 18 months of age: diffuse dermatitis
>18 months: localizes on face, flexural areas; often lichenified
IgE-mediated: individual is hypersensitive to MUTIPLE allergens--patch tests are of little value
often quiets down in adulthood |
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Term
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Definition
| mild dandruff or bright red erythema, edema, vesiculation of hairy areas |
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Term
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Definition
hands and feet w/linear, small, very pruritic vesicles along edges of fingers and toes
tends to flare in warm humid weather and under stress
difficult to treat |
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Term
| linear, small, very pruritic vesicles along edges of fingers and toes |
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Definition
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Term
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Definition
| erytheme, scaling and rarely vesiculation of lower extremities in association w/edema |
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Term
| what type of dermatitis is associated w/erythema/scaling in lower extremities associated w/edema |
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Definition
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Term
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Definition
| requires topical or systemic agent + sunlight exposure |
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Term
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Definition
keratin plug in superficial portion of hair follicle
develop from swelling and edema of the sebaceous duct where it enters the hair follicle
will produce a small, white, firm papule |
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Term
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Definition
comedones: topical retinoids and exfoliative agents
inflamm lesions: tetracycline, benzoyl peroxide, topical antibiotics
cystic acne: acutane |
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Term
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Definition
hereditary
mild flushing/redness>permanent dilated telangiectactic BVs, papular>thickening/fibrosis of central face and nose (rhinophyma)
Tx: topical flagyl, mild topical steroids and sulphur preparations |
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Term
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Definition
usually in women
mimics eczema
present on face: red, scaly edematous lesoins w/occasional papules
tx: systemtic meds |
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