[Paralysis after tetanus prevention]

A rare case is presented of isolated paralysis of the left dentatus muscle in a 29-year-old woman following antitetanus vaccination by adsorbed toxoid injection in the left shoulder. In the light of a literature review the peculiarities of this case are pointed out and the risk factors which emerge from the patient's history are stressed. The discussion centres on the most favorable site for injection of toxoid, the controverted etiology of the affection and the desirability of some form of treatment.