Morphometric analysis of the tentorial notch by magnetic resonance.

Differences in the clinical presentation of some neurological injuries could be related to variations in the space of the tentorial notch and the position of the brainstem. A transtentorial herniation is the movement of the temporal lobe through the tentorial notch. This pathology occurs in vascular disease, tumors, and brain edema. Furthermore, the location of the pressure and the pathological process, the dimensions of the notch could be a factor for the pattern of herniation.