Images 1 & 2: Axial T2 weighted images of brain reveal high riding third ventricle
centrally with splaying of frontal horns and dilated occipital horns of lateral ventricles.
Abnormal orientation of the gyri is noted in midline above the third ventricle.
Images 3 & 4: Axial and sagittal T1 weighted images demonstrate small
and thin corpus callosum with deficient splenium and rostrum, and
parallel orientation of lateral ventricles.
Key words: mri congenital developmental
of the corpus callosum