CT Diagnosis of Atypical Manifestation of Brain Injury / 实用放射学杂志

ABSTRACT

Objective To summarize CT manifestation of atypical brain injuries . Methods The data of 14520 patients with brain injury who have examined by CT scan were collected from1996～2002. Thin slice and HRCT were performed in interested region.Of them,53 cases are diagnosed as delayed or atypical brain injuries. Results In 17 cases of brain contutions , high density punctate lesion(9 cases), and patchy low-dense areas(8 cases)were showed on CT. In 36 cases of delayed brain injuries, CT showed cerebral edema(9 cases),axonal injuries(7 cases), scattered micro-hematoma(5 cases), and delayed subdural hematoma (15 cases).Conclusion CT scan is of important value in dignosing brain injury. We should play much attention to the atypical CT manifestations of brain trauma , and reexamination has great sense to old age patients especially.