Medallion-Like Dermal Dendrocyte Hamartoma: Differential Diagnosis with Congenital Atrophic Dermatofibrosarcoma Protuberans

382 Ann Dermatol Received October 9, 2012, Accepted for publication October 18, 2012 Corresponding author: Young Min Park, Department of Dermatology, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Korea. Tel: 82-2-2258-6223, Fax: 82-2-599-9950, E-mail: [email protected] This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http:// creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Dermatol 1994;11:241-245. 6. Elder DE. Dysplastic naevi: an update. Histopathology 2010; 56:112-120. 7. Misago N, Takahashi M, Kohda H. Unilateral dysplastic nevi associated with malignant melanoma. J Dermatol 1991;18: 649-653. 8. Sterry W, Christophers E. Quadrant distribution of dysplastic nevus syndrome. Arch Dermatol 1988;124:926-929. 9. Marghoob AA, Blum R, Nossa R, Busam KJ, Sachs D, Halpern A. Agminated atypical (dysplastic) nevi: case report and review of the literature. Arch Dermatol 2001;137:917-920. 10. Bragg JW, Swindle L, Halpern AC, Marghoob AA. Agminated acquired melanocytic nevi of the common and dysplastic type. J Am Acad Dermatol 2005;52:67-73.