Aktuelle Dermatologie, Table of Contents Aktuelle Dermatologie 2021; 47(04): 147-148DOI: 10.1055/a-1348-8942 Histologisches Quiz Testen Sie Ihr Fachwissen Test Your Knowledge D. Krahl Institut für DermatoHistoPathologie Dres. Krahl & Partner, Heidelberg › Author Affiliations Recommend Article Abstract Full Text References Literatur 1 Person JR, Longcope C. Beckerʼs nevus: an androgen-mediated hyperplasia with increased androgen receptors. J Am Acad Dermatol 1984; 10: 235-238 2 Happle R. Becker’s Nevus and Lethal Beta-Actin Mutations. J Invest Dermatol 2017; 137: 1619-1621 3 Alhusayen R, Kanigsberg N, Jackson R. Becker nevus on the lower limb: case report and review of the literature. J Cutan Med Surg 2008; 12: 31-34 4 Happle R, Koopmann RJJ. Becker nevus syndrome. Am J Med Genet 1997; 68: 357-361 5 Cai ED, Sun BK, Chiang A. et al. Postzygotic Mutations in Beta-Actin Are Associated with Becker’s Nevus and Becker’s Nevus Syndrome. J Invest Dermatol 2017; 137: 1795-1798