ANENCEPHALY	4D-RACHISCHISIS WITH ANENCEPHALY
4D-NORMAL SPINE	4D-SPINAL WIDENING- OPEN NTD
LEMON SIGN-OPEN NTD Frontal scalloping with ventriculomegaly	DANDY WALKER
MCA REVERSAL	DEMINERALIZATION No shadowing seen
DEMINERALIZATION	PERICALLOSAL ARTERY