 - Patients were taken care by the servicesdepartments of Diabetology or Infectious diseases of the CHUTEACHING HOSPITAL of Nîmes, were hospitalized or were seen in consultation and presenting a wound chronicle of the foot andor the ankle of Rank 2 - 4 Classification of the IWGDF IWGDF, Lipsky Clin Infect Dis on 2004, inaugural or récidivante. 