[Posterior dislocation of the median end of the clavicle].

Authors discuss, based on the experiences gained in the operative treatment of posterior sternoclavicular dislocation in two patients, the frequency, the symptoms, the classification, the diagnosis and treatment of this rare injury. One of the two injuries was fresh the other inveterated. No description of the operative treatment of similar injuries was found in the literature of this country. Finally the importance of the early recognition and the definitive treatment of this rare dislocation are stressed.