fig 4.

Cephaloceles, nonsurgical.

A, AROP. Sagittal T1-weighted image shows brain protruding upward into the anterior fontanel as a result of limited intracranial volume. The superior sagittal sinus is superiorly displaced (See fig 3B). Note tonsillar ectopia.

B, AROP. Axial T2-weighted FSE image shows bilateral meningoceles at the craniocervical junction (arrows).

C, ADOP I. Sagittal T1-weighted image shows brain protruding downward through the foramen ovale (arrow). Note scalloping of the floor of the anterior cranial fossa.