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T2W axial MR image (A) of a 14-year male child with NF1 shows noncommunicating hydrocephalus with moderate dilatation of bilateral lateral and third ventricles with a small tectal plate glioma seen as T2 hyperintense lesion (white arrow). T1W sagittal MR image (B) showing the lesion to be isointense to hypointense (white arrow)
