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Figure 2: Postoperative magnetic resonance imaging scan of the brain suggests alleviation of ventriculomegaly with slit sized third ventricular cavity (A). After surgical decompression, the cerebellar folia are appreciated well with residual dilatation of the fourth ventricle (B). The sagittal cut reveals significant reduction in brainstem compression, patent CSF pathway and reappearance of cerebello-vermian structures with postoperative changes of midline suboccipital craniotomy (C)

Figure 2: Postoperative magnetic resonance imaging scan of the brain suggests alleviation of ventriculomegaly with slit sized third ventricular cavity (A). After surgical decompression, the cerebellar folia are appreciated well with residual dilatation of the fourth ventricle (B). The sagittal cut reveals significant reduction in brainstem compression, patent CSF pathway and reappearance of cerebello-vermian structures with postoperative changes of midline suboccipital craniotomy (C)