Instituto de Diagnostico por Imagen, Clinica Medica de Jesus, Mexico

This is a 23-year-old-woman that presented with polyhydramnios. The scan revealed a large occipital cephalocele.

Sagittal view: Note the severe polyhydramnios and the occipital mass

Coronal and sagittal section of the cephalocele. Note the septum inside the mass

Note the skull defect and the brain tissue inside the cephalocele, making this an encephalocele:

3D reconstruction of the cephalocele