Sagittal T1W, axial T2W MR show a monoventricle, but with some attempt at cleavage, as there
is a falx present posteriorly . Other findings include incomplete thalamic fusion and absent
cavum septi pellucidi.
Coronal T1W, axial T1W images and axial T2W images again demonstrate rudimentary falx.
There is associated midline cleft palate.
Key words: mri developmental congenital
1. Semilobar holoprosencephaly
2. Cleft palate