P10. 04: External hydrocephalus: a new entity in prenatal diagnosis Academic Article uri icon


  • Objectives External hydrocephalus (EH) is a clinical entity in which macrocephaly is associated with an increase in volume of the subarachnoid space without ventriculomegaly. EH accounts for 0.5 to 0.8 per 1000 births. There are three main spaces that can be measured in order to diagnose EH, the inter‐hemispheric width, the sinocortical width and the craniocortical width (see figure 1). In previous studies there are variable limits that may be considered as EH. Although EH was studied among infants, fetal EH has not been well recognised. Methods A retrospective study was conducted between 2008–2015 in the Ultrasound (US) unit of the Department of Obstetrics and Gynecology, with collaboration with the MRI unit of the Department of Radiology at the Soroka University Medical Center, Beer Sheva, Israel. The study population was pregnant women who had an US sole diagnosis …

publication date

  • September 1, 2016