Alobar holoprosencephaly, ethmocephaly Lenin Montilla, MD Article Published: Aug 24, 2004 Mérida, Venezuela. These are the antenatal scans of a fetus with ethmocephaly. These are the photographs of the pregnant mother: note the polyhydramnios. and the fetus after delivery. Note the proboscis and the dissection of the single ventricular cavity. Discussion Board Start a discussion about this article Add bookmark Bookmarked