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Technique: Multiplanar and multisequence images have been obtained through the brain, including dedicated thin slices for the posterior fossa and post contrast sequences.
Findings: There is a solid-cystic mass on the right cerebellopontine angle extending into and enlarging the right IAC, and slightly compressing the adjacent pons and right middle cerebellar peduncle. The multiple cysts partially suppress on FLAIR and the solid components shows a homogeneous and vivid enhancement.
On the sagittal T2 it is possible to spot a web obstruction the cerebral aqueduct. Asymmetric enlargement of the supratentorial ventricles with no signs of trans ependymal oedema. Colpocephaly on the right lateral ventricle. The corpus callosum is diffusely thin and displaced superiorly.
The remainder brain is unremarkable.
Conclusion: Right cerebellopontine solid-cystic mass in keeping with a schwannoma. Chronic supratentorial obstructive hydrocephalus. Colpocephaly on the right lateral ventricle denotating loss of brain parenchyma (neonatal brain injury?).