Abstract

Traumatic brain injury(TBI) is an insult to the brain from an external mechanical force leading to temporary or permanent impairment of physical ,cognitive, and psychological functions, which may lead to altered or diminished state of consciousness. Traumatic brain injuries are the leading cause of morbitity, mortalityand disability.1 The CT scan of patient is useful, not only in demonstrating the underlying neuro parenchymal injury but can also play a predictive role in traumatic brain injury 1 TBIs are the commonest cause of morbidity, mortality, disability and socioeconomic losses . Severity of TBI is classified as mild, moderate and severe according to the traumatic brain injury patients the level of consciousness is measured by Glasgow coma scale (GCS). Most of the traumatic brain injuy patients who arrive to the hospital are already intubated or undergoes immediate intubation, ventilated and paralyzed .So accurate estimation of the GCS score or changes in the GCS score after post trauma in the initial hours is therefore difficult to obtain. Due to availability, affordability and shorter scan time along with bone fracture delineation, CT is preferred over MRI as a primary investigation of traumatic brain injury. Computed Tomography scanning of head is routinely done in all severe brain injury patients which provides information for further management including surgical intervention or intracranial pressure (ICP) monitoring. It may also provide prognostic significance information

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