Department of Dermatology, CHU Bordeaux, F-33000 Bordeaux, France; French Cutaneous Lymphomas Study Group (GFELC), Paris, France; Bordeaux Institute of Oncology, BRIC U1312, INSERM, Translational Research on Oncodermatology and rare skin diseases, Univ. Bordeaux, F-33000 Bordeaux, France. Electronic address: