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806 Ann Dermatol Received March 16, 2016, Revised November 3, 2016, Accepted for publication November 7, 2016 Corresponding author: Hei Sung Kim, Department of Dermatology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 56 Dongsu-ro, Bupyeong-gu, Incheon 21431, Korea. Tel: 82-32-280-5700, Fax: 82-32-506-9514, 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 2. Szücs G, Szekanecz Z, Zilahi E, Kapitány A, Baráth S, Szamosi S, et al. Systemic sclerosis-rheumatoid arthritis overlap syndrome: a unique combination of features suggests a distinct genetic, serological and clinical entity. Rheumatology (Oxford) 2007;46:989-993. 3. Rosenbach M, English JC 3rd. Reactive granulomatous dermatitis: a review of palisaded neutrophilic and granulomatous dermatitis, interstitial granulomatous dermatitis, interstitial granulomatous drug reaction, and a proposed reclassification. Dermatol Clin 2015;33:373-387. 4. Kim YS, Lee JH, Lee JY, Park YM. Interstitial granulomatous dermatitis associated with rheumatoid arthritis. Ann Dermatol 2016;28:395-397. 5. Moinzadeh P, Aberer E, Ahmadi-Simab K, Blank N, Distler JH, Fierlbeck G, et al. Disease progression in systemic sclerosis-overlap syndrome is significantly different from limited and diffuse cutaneous systemic sclerosis. Ann Rheum Dis 2015;74:730-737.