TY - CHAP M1 - Book, Section TI - Chapter 123. Atypical (Dysplastic) Melanocytic Nevi A1 - Grichnik, James M. A1 - Tucker, Margaret A. A2 - Goldsmith, Lowell A. A2 - Katz, Stephen I. A2 - Gilchrest, Barbara A. A2 - Paller, Amy S. A2 - Leffell, David J. A2 - Wolff, Klaus Y1 - 2012 N1 - T2 - Fitzpatrick's Dermatology in General Medicine, 8e AB - |PrintAtypical/Dysplastic Nevi at a GlancePrevalence among Caucasian young adults roughly 10%; varies by population.Flat (totally or partially flat with central elevation), large (>5 mm) lesions with irregular shape, indistinct borders, and variable pigmentation.Risk markers for melanoma.Most frequent on sun-exposed areas, especially intermittently exposed, such as back.Associated with large numbers of common acquired nevi.Majority of lesions will involute and disappear over time.Histologic features include presence of immature, disordered growth pattern with a lymphocytic host response and random cytologic atypia in melanocytes. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=56062280 ER -