Diagnostic features atopic dermatitis
Chronic or relapsing dermatitis
Typical morphology and age specific patterns.
Early age of onset
Personal and family hx atopy
Age of onset in children
Usually 2-6 months.
Diagnostic features acute dermatitis
Pruritis Xerosis Eythema, edema Blistering, oozing, crusting Excoriations (linear crusted erosions)
Diagnostic features chronic dermatitis
Thickness (induration, papulation)
Excorations
Lichenifications
Excorations
linear crusted erosions
Lichenifications
Increased cutaneous line markings with thickening of skin.
AD cause
Dysfunctional skin barrier
dysregulation of immune system
Factors affecting immune system in AD
Genetic
Immunologic
Environmental
Most notable feature of AD
Pruritis