eczematous disorders Flashcards
prerequisite for atopic dermatitis
itch
AD affects what areas in infants
extensor
AD affects what areas in adults
flexural
diagnostic features of AD
pruritus
eczematous changes
chronic or relapsing course
Any of several itchy skin eruptions in which the characteristic lesion is dome-shaped with a small vesicle on top, followed by crusting or lichenifi
prurigo
Results to decrease in DEFENSINS in the skin
primary skin barrier defect
Defect in fillagrin gene will lead to
no natural moisture
2 defects in AD
primary skin barrier defect
primary immunologic disease
Immuno-aberration is evidenced by
common
occurrence of serum IgE elevation and eosinophilia
Whitish undefined spots found in the face and arms. These are areas not prone to tanning. Sometimes itchy, sometimes not.
PITYRIASIS ALBA
Slightly pinkish, slightly scaly, extra folds in the eyes
DENNIE-MORGAN INFRAORBITAL FOLD
Pimple-like, rough area, usually in the upper arms and thighs Hyperkeratotic plug on
the pore.
keratosis piliaris
pathogenesis of seborrheic dermatitis
Increased sebum production due to circulating maternal androgens
Acute vesicular eczema of the hands and feet usually presents with Small tapioca-like (sago) lesions which are very itchy
pompholyx (dishydrotic eczema)
management of pompholyx
Superpotent corticosteroids
• Drainage of large bullae
• Moisturize
Results from repeated rubbing and scratching
• Skin becomes thickened and leathery with exaggerated skin markings
lichen simplex chronicus
result of a local toxic effect when the skin comes
in contact with irritant chemicals such as alkalis, acids, soaps or solvents, water, abrasives, detergent, topical medications
irritant contact dermatitis
delayed type (Type IV) hypersensitivity reaction that is elicited when the skin comes in contact with a chemical the individual has previously been sensitized
allergic contact dermatitis
Clinical manifestation of ACD
eczematous dermatitis
Also known as Dandruff
Seborrheic Dermatitis
test to identify allergens
patching test for ACD
what causes ACD in henna and hair dye
para-phenydiamine
