RT Book, Section A1 Simpson, Eric L. A1 Leung, Donald Y. M. A1 Eichenfield, Lawrence F. A1 Boguniewicz, Mark A2 Kang, Sewon A2 Amagai, Masayuki A2 Bruckner, Anna L. A2 Enk, Alexander H. A2 Margolis, David J. A2 McMichael, Amy J. A2 Orringer, Jeffrey S. SR Print(0) ID 1161322297 T1 Atopic Dermatitis T2 Fitzpatrick's Dermatology, 9e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071837798 LK accessmedicine.mhmedical.com/content.aspx?aid=1161322297 RD 2024/04/23 AB AT-A-GLANCEAtopic dermatitis (AD) has a prevalence peak of 15% to 20% in early childhood in industrialized countries.AD has variable rates of remission, with many patients continuing or recurring with symptoms into adulthood.AD is a chronic or chronically relapsing disorder with major features of:PruritusEczematous dermatitis (acute, subacute, or chronic) with typical morphology and age-specific patternsFacial and extensor involvement in infancyFlexural eczema or lichenification in children and adultsCommonly associated with the following:Personal or family history of atopy (allergic rhinitis, asthma, atopic dermatitis)Xerosis or skin barrier dysfunctionImmunoglobulin E reactivityPathogenesis driven by skin barrier defects (most importantly in the FLG gene), environmental effects and alterations in immunologic responses in T cells, antigen processing, inflammatory cytokines, host defense proteins, allergen sensitivity, and infection.