Chapter 22 :: Atopic Dermatitis

Question 1

Major Features of Atopic Dermatitis

Answer 1

Pruritus
Rash on face, extensors, or both in infants and young children
Lichenification in flexural areas in older children
Tendency toward chronic or chronically relapsing dermatitis
Personal or family history of atopic disease: asthma, allergic rhinitis, atopic dermatitis

Question 2

Other Common Findings

Answer 2

Dryness

Dennie-Morgan folds (accentuated lines or grooves below themargin of the lower eyelid)
Allergic shiners (darkening beneath the eyes)
Facial pallor
Pityriasis alba

Keratosis pilaris
Ichthyosis vulgaris

Hyperlinearity of palms and soles

White dermatographism (white line appears on skin within 1 minute of being stroked with a blunt instrument)
Conjunctivitis
Keratoconus
Anterior subcapsular cataracts
Elevated serum immunoglobulin E
Immediate skin test reactivity

Question 3

S. aureus colonizes skin lesions in more than 70% of patients with AD with more severe AD having higher rates of colonization