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  • Title: [Diagnostic imaging in non-accidental brain injuries].
    Author: Christophe C, Guissard G, Sekhara T, Dan B, Avni EF.
    Journal: JBR-BTR; 2003; 86(2):86-95. PubMed ID: 12839423.
    Abstract:
    Diagnosis of nonaccidental injury (child abuse) may be difficult because most infants present with non-specific clinical findings and without external signs of trauma. Brain lesions severely disproportionate to the history of trauma, retinal hemorrhages and characteristic fractures or fractures of varying age are key indicators to child abuse when encountered in an infant. It is therefore incumbent upon the radiologist to recognize the radiologic findings of the various forms of nonaccidental injury and to correlate them with the physical findings in order to render a more accurate opinion. Craniocerebral injuries are not uncommon in infants who are physically abused and have a worse long-term outcome than accidental injuries. The particularities of the infant's skull and its content and the pathophysiology of cerebral nonaccidental injuries are remembered. The imaging findings in infants with blunt impact, shaken- and whiplash shaken-injuries are emphasized. The combination of edema, malignant hyperaemic cerebral swelling, hypoxic-ischemic brain injury, diffuse axonal injuries, and bilateral and/or interhemispheric subdural hematomas is almost typical of a shaken infant. MRI, with its multiplanar capability and its sensitivity to cytotoxic edema and to degraded hemoglobin, is the modality of choice for detecting cerebral lesions in nonaccidental injury.
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