Anencephaly

Coronal ultrasound of the fetal head and upper body shows the absence of the calvarium and brain above the orbits.

http://imaging.consult.com/image/case/dx/Obstetrics%20and%20Gynecology?title=Anencephaly&image=fig2&locator=gr2&pii=S1933-0332(08)70475-0