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The MRI sequences demonstrate a well-defined ovoid lesion (23 x 19 x 21 mm) in the roof of third ventricle. It is isointense to white matter on T1WI and hyperintense on T2 and FLAIR, with no restricted diffusion. It is not fat suppressed. It shows no post contrast enhancement. Inferior aspect of lesion shows tiny foci of calcification. No significant dilatation of the lateral ventricles seen.