Treatment for Refractory Pruritus Using Oral Aprepitant.

124 Ann Dermatol Received January 17, 2015, Revised March 4, 2015, Accepted for publication March 24, 2015 Corresponding author: Mihn-Sook Jue, Department of Dermatology, Veterans Health Service Medical Center, 53, Jinhwangdo-ro 61-gil, Gangdong-gu, Seoul 05368, Korea. Tel: 82-2-2225-1388, Fax: 82-2-471-5514, 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/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. cells imbedded in the wall of a cyst as seen in the present case. Thus, here, we report a rare case of CMN with distinctive nevus cell proliferation within multiple epidermal cyst-like changes. We suspect that this happened through migration of nevus cells into the epithelium during the formation of connections between the cyst wall and epidermis, or by direct invasion of the epithelium of the epidermal cyst. REFERENCES