[Transtentorial central impaction in traumatic cranio-cerebral pathology (author's transl)]

On the basis of a series of 255 severe head injuries, the authors present a clinical, radiological and anatomical study of central transtentorial impaction. Anatomical examination reveals the frequency of central impaction which affects from above downwards and in succession all of the axial structures in their median part. Clinically, these lesions fall into three categories in terms of signs: homogeneous and corresponding to the anatomical lesions. Scanner findings confirm the anatomoclinical data and provide important information in the assessment of prognosis.