Opsoclonus and palatal myoclonus during prolonged post-traumatic coma. A clinico-pathologic study.

A case of opsoclonus and palatal myoclonus following blunt head injury is described. The syndrome appeared 1 month after the injury and lasted unchanged until death. Postmortem examination showed the presence of widespread lesions of the brain stem affecting the dentato-rubro-olivary system. The main clinical features of the syndrome and their anatomical correlates are discussed.