A Hiura1, K Yoshino1, T Maeda1, K Nagai1, S Oaku1, M Kato1, Y Fujisawa2. 1. Department of Dermatologic Oncology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, 113-8677, Japan. 2. Department of Dermatology, University of Tsukuba, Tsukuba, Japan.