On the basis of complex dynamic analysis of clinical and computed tomography data in 143 patients with craniocerebral trauma it was established that the deformity of the cisterns of the base of the brain grows regularly with the gradual increase of decompensation in traumatic compression of the brain. The phase of gross clinical decompensation is characterized by critical changes in the form of gross deformity or absence of suprasellar, involving also the pontine cisterns of the brain, as well as by the development of hydrocephalus in displacement of the median structures by more than 7 mm. It is shown that in phase-by-phase appraisal of the computed tomography signs of stem dislocation not only their degree of manifestations but the rate of their development must be considered.