A case of unilateral tentorial hypoplasia with ipsilateral brain herniation is presented. This was an incidental finding in a 38 years old lady without any other associated findings. Computed Tomographic and Magnetic Resonance showed mild dilation of occipital horn of left lateral ventricle, which is a rare finding.

Keywords: Idiopathic Brain Herniation, Tentorial Hypoplasia, Computed Tomography, Magnetic Resonance Imaging.

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Dr Vimugdha Premi

Department of Radiodiagnosis, Muzaffarnagar Medical College, Muzaffarnagar