Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Mechanisms are translational (direct impact) and rotational (acceleration/deceleration). Shaking the child produces rotational forces that cause shearing injuries. Head injury is the primary cause of morbidity and mortality in abused children, with it being more common in children less than 2 years of age.
The most common lesion seen in the head is a subdural hematoma which is seen most commonly along the convexities and along the posterior interhemispheric fissure. The subdural hemorrhages may be of varying ages. Subarachnoid hemorrhage may be seen acutely along with cerebral edema, and cerebral contusion. Long term encephalomalacia, ventriculomegaly and porencephaly may be seen.
See References Chapter.
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