Xavier Grimaux1, Rémy Delva2, Eric Jadaud3, Anne Croue4. 1. Department of Dermatology, Angers University Hospital, Angers Cedex 09, France. 2. Department of Medical Oncology, West Cancerology Institut, Angers Cedex 09, France. 3. Department of Radiotherapy, West Cancerology Institut, Angers Cedex 09, France. 4. Histology and Cytopathology Laboratory, Angers University Hospital, Angers Cedex 09, France.