Treatment of Recalcitrant Pyoderma Gangrenosum with Ulcerative Colitis by Adalimumab Injection

260 Ann Dermatol Received January 21, 2016, Revised May 9, 2016, Accepted for publication May 17, 2016 Corresponding author: Young Lee, Department of Dermatology, Chungnam National University Hospital, 282 Munhwa-ro, Jung-gu, Daejeon 35015, Korea. Tel: 82-42-280-7706, Fax: 82-42-280-7706, 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. Copyright © The Korean Dermatological Association and The Korean Society for Investigative Dermatology Fig. 1. (A) Initial cutaneous lesion. Five-year history of erythematous, recurrent, painful nodules and ulcers on the left lower leg. (B) Despite several months of treatment, there was only a minimal therapeutic effect. (C) After the 13th injection of etanercept, the pain and ulceration dramatically improved. 4. Kang HY, Kang WH. Guess what! Perforating pilomatricoma resembling keratoacanthoma. Eur J Dermatol 2000;10:63-64. 5. Kost DM, Smart DR, Jones WB, Bain M. A perforating pilomatricomal horn on the arm of an 11-year-old girl. Dermatol Online J 2014;20:22371.