Fig. 4

Prenatal ultrasound at 31 weeks of gestational age of a patient with Walker-Warburg syndrome (patient 25). a shows an occipital encephalocele (arrows) and b reveals absent gyration due to lissencephaly (arrows)
Prenatal ultrasound at 31 weeks of gestational age of a patient with Walker-Warburg syndrome (patient 25). a shows an occipital encephalocele (arrows) and b reveals absent gyration due to lissencephaly (arrows)