Monosomy X Fabrice Cuillier, MD Article Published: Jun 15, 2004 Department of Gynecology, Félix Guyon Hospital, 97400 Saint-Denis, Réunion Island, France. This is a 38 year old patient with an 18-week old fetus with a large cystic hygroma, ventricular septal defects, ventriculomegaly Head: Cystic hygroma:  Hydrops (pleural effusions, VSD)     Discussion Board Start a discussion about this article Add to Favorites Favorite