Pediatric contusion and laceration

Contusion and laceration of brain is a severe closed brain injury that causes the brain tissue to slide and collide in the cranial cavity. The deformation and shear stress of the brain tissue cause contusion and spot bleeding on the surface of the brain tissue. Severe injury can cause tearing of gray matter in the brain, resulting in brain laceration. Cerebral contusion and laceration are rare in infants and young children, but mostly occur in older children whose brains have basically matured. This is mainly because the infants' skulls are flexible and elastic and can cushion external impact forces. The subarachnoid space is limited to limit brain tissue The violent movement of the anterior middle cranial fossa is smooth, and the collision force to the brain tissue is light. In general, the incidence of cerebral contusion and laceration in children is much lower than that in adults because the inner skull plate is smoother than that in adults and the brain tissue is more flexible.