Chapter 053. Eczema and Dermatitis (Part 1)

Harrison's Internal Medicine Part 2. Cardinal Manifestations and Presentation of Diseases Section 9. Alterations in the Skin Chapter 53. Eczema, Psoriasis, Cutaneous Infections, Acne, and Other Common Skin Disorders Eczema and Dermatitis Eczema and Dermatitis: Introduction Eczema is a type of dermatitis and these terms are often used synonymously (atopic eczema or atopic dermatitis). Eczema is a reaction pattern that presents with variable clinical findings and the common histologic finding of spongiosis (intercellular edema of the epidermis). Eczema is the final common expression for a number of disorders, including those discussed in the following sections. Primary lesions may...