CT findings in adult Reye syndrome.

Reye syndrome, a condition of unknown etiology, is characterized by encephalopathy and fatty infiltration of the liver after viral infections, notably influenza B and varicella [1] . A history of relatively large doses of aspirin ingested during the infection is usually elicited [2] . Reye syndrome is seen most often in children ages 6 months to 15 years; the computed tomographic (CT) findings in childhood Reye syndrome have been described . Ten cases have been documented in adults, but no CT abnormalities have been described.