%0 Journal Article %T A Case of an Undifferentiated Squamous Cell Carcinoma Arising from an Epidermal Cyst %A Mai Tokunaga %A Masami Toya %A Yuichiro Endo %A Akihiro Fujisawa %J Case Reports in Dermatological Medicine %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/469516 %U http://dx.doi.org/10.1155/2013/469516