Posted in Obstetric Ultrasound on May 18, 2014 by m.khodeer
35-wk fetus
18-wk fetus


Answers
Hydrocephalus
- Axial view of a fetal head at 35 weeks gestation demonstrates a dilated lateral ventricle with + calipers measuring the width of atrium of lateral ventricle as 18.9 mm. the calipers are aligned perpendicular to the axis of the ventricle
- A 30-week fetus with dilated ventricles (+ calipers). Choroid plexus (arrowhead) is seen outlined by fluid [“drooping choroid”]
Causes of Prenatal Hydrocephalus
Aqueductal stenosis
Dandy-walker malformation
Chiari II
Communicating Hydrocephalus (e.g., prior hemorrhage)