[Accidental case delayed by anti-D allo-immunization in a patient suffering from multiple traumatic injuries. One case (author's transl)].

An accidental case of delayed haemolytic reaction due to an anti-D allo-immunization in a patient suffering from multiple traumatic injuries allows us to define a procedure of emergency treatment towards non iso-Rhesus transfusions and the problems posed by the detection of acquired allo-antibodies.