Atopic dermatitis
Dermatitis in people with atopy
Atopy
Familial predisposition to development of
Allergic asthma
Conjunctivitis
Rhinitis
Atopic dermatitis
Pathogenesis
Extrinsic atopic dermatitis
IgE elevated
Type 1 hypersensitivity
CD4 cells
Intrinsic atopic dermatitis
No immunological changes as in EADS
CD8 cells in infiltrate
Clinical features
Major
Pruritis
Typical dermatitis
Positive family history for atopy
Chronic
Minor features
Cradle cap
Yellow crust on scalp
Dry skin
Predilection sites
Face
Flexures
Hands and feet
Nape of neck
Diagnosis
Clinical features
IgE elevated
Eye examination
Prick test
Patch test
Therapy
Tacrolimus
Corticosteroids
Antihistamines