Removal of the cyst was done through a transcallosal approach. Post operatively an acute infarction of the genus of right internal capsule had developed as evident on DWI and ADC. Also there is oedema and swelling of the corpus callosum with mild restricted diffusion. Some of the cyst contents are seen at the occipital horn of both lateral ventricles forming CSF/fluid level. The small component within the frontal horn of right lateral ventricle is still seen unaffected.