Post traumatic parkinsonian syndrome: a case report.

INTRODUCTION Parkinsonian syndrome secondary to craniocerebral trauma is a controversial subject. Of the 163 reports of traumatic Parkinsonism which includes over 200 individual cases, only 2% have had sufficient evidence to implicate trauma as the etiological factor." Clinical criteria for the diagnosis of this rare entity include cerebral trauma of sufficient severity to produce midbrain damage and a definite interval between the trauma and onset of Parkinsonisrn.? Two cases that fit the above criteria are described.