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Technique: Multiplanar and multisequence images have been obtained through the brain, including MR spectroscopy, MR perfusion, and stereotaxic protocol.
Findings: A 3cm (CC) x 2.3cm (AP) x 1.7cm (trans) enhancing lesion arises from the inferior 4th ventricle, distorting the medulla and displacing it anteriorly. No hydrocephalus. Rare and sparse chronic small vessel ischaemic white matter changes are present, in a number acceptable for the age group. The remainder brain is unremarkable.
Conclusion: 4th ventricle mass which may correspond to an ependymoma or a choroid plexus papilloma.