<prompt> Porencephaly seen in -Trisomy 13Fetal alcohol syndromeDown syndromeDandy Walker syndrome  <response>: Ans. is d i.e., Dandy-walker syndrome Porencephaly is the presence of cyst and cavities in the brain. o It is due to infarction. o In Dandy - walker syndrome also cyst occurs in brain due to expansion of 4th ventricle. 