Ans. d. Marked microvesicular steatosisReye!s Syndrome (Fatty Liver with Encephalopathy):Acute illness, encountered exclusively in childrenOnset usually follows an upper respiratory tract infection, especially influenza or chickenpoxdegCharacterized clinically by: Vomitingdeg, signs of progressive CNS damagedeg, signs of hepatic injurydeg, hypoglycemiadegCause is unknown, although viral agents and salicylates have been implicate&Morphologically, extensive vacuolization of the liver and renal tubulesdeg.Extensive accumulation of fat droplets within hepatocytes (microvesicular steatosis)