RT Book, Section A1 Collins, Chris D. A1 Hivnor, Chad A2 Goldsmith, Lowell A. A2 Katz, Stephen I. A2 Gilchrest, Barbara A. A2 Paller, Amy S. A2 Leffell, David J. A2 Wolff, Klaus SR Print(0) ID 56027072 T1 Chapter 22. Seborrheic Dermatitis T2 Fitzpatrick's Dermatology in General Medicine, 8e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-166904-7 LK accessmedicine.mhmedical.com/content.aspx?aid=56027072 RD 2024/10/11 AB |PrintSeborrheic Dermatitis at a GlanceBoth infantile and adult forms exist.It is characterized by sharply demarcated, yellow to red to brown, greasy or bran-like scaling patches and plaques.Lesions favor scalp, ears, face, presternal chest, and intertriginous areas.Flares occur when sebaceous glands are most active (first few months of life, and post puberty).Generalized and erythrodermic forms rarely occur.The etiology is unclear but there are associations with Malassezia yeasts, sebum secretion and composition, and certain drugs.May be a cutaneous marker of HIV and AIDS, especially when severe, atypical, and therapy-resistant.