This article will discuss accidental and inflicted head injuries in infants and young children and how forensic pathologists distinguish between these types of injuries. The article begins with a consideration of the special and unique features of the anatomy and development of the child's head and neck and then relates these features to the mechanisms of traumatic brain injury and how these unique features influence the mechanisms of injury. The article very specifically notes that accidental head injuries in young children that occur in and around the home are focal head injuries in distinction to inflicted head injuries, which are diffuse brain injuries. The article discusses the mechanisms by which traumatic brain injury causes loss of consciousness and relates those mechanisms to the differences in the clinical features that occur in both accidental and inflicted head injury. The article discusses and illustrates the pathological findings in accidental head injuries consisting of the crushing head injuries and the head injuries sustained in short falls including epidural hemorrhage and focal subdural hemorrhage. The article discusses and illustrates the pathological findings that occur in inflicted head trauma, including subdural and subarachnoid hemorrhages and retinal and optic nerve sheath hemorrhages.
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