Intraventricular cyst (giant)
Updates to Case Attributes
This patient was referred for MRI investigation of a suspected intracranial cystic mass, after initially presenting with bizarre behaviour. MRI demonstrates a large choroid plexussimple intraventricular cyst compressing the left hippocampus, which is likelymay be the cause of the patient's symptomatology.
The majorityorigin of these cysts is uncertain and can arise from a number of structures. Some are arachnoid cysts whereas others ependymal cysts, neuroepithelial cysts or very large choroid plexus cysts resolve spontaneously after the 28th week of gestation. In the older age group, choroid plexus cysts are extremely rare and usually almost always asymptomaticDistinguishing between them on imaging is impossible. Reviewing the recent literature, there were few cases involving a cyst this large, in a patient this age.
-<p>This patient was referred for MRI investigation of a suspected intracranial cystic mass, after initially presenting with bizarre behaviour. MRI demonstrates a large choroid plexus cyst compressing the left hippocampus, which is likely the cause of the patient's symptomatology. The majority of choroid plexus cysts resolve spontaneously after the 28th week of gestation. In the older age group, choroid plexus cysts are extremely rare and usually almost always asymptomatic. Reviewing the recent literature, there were few cases involving a cyst this large, in a patient this age.</p>- +<p>This patient was referred for MRI investigation of a suspected intracranial cystic mass, after initially presenting with bizarre behaviour. MRI demonstrates a large simple intraventricular cyst compressing the left hippocampus, which may be the cause of the patient's symptomatology.</p><p>The origin of these cysts is uncertain and can arise from a number of structures. Some are arachnoid cysts whereas others ependymal cysts, neuroepithelial cysts or very large choroid plexus cysts. Distinguishing between them on imaging is impossible. </p>
Updates to Study Attributes
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largeLarge ovoid cystic mass, 70mm in diameter
originating fromlocated within theleft temporal horn choroid plexus - lateral ventricle, located near the trigone, results in contralateral midline shift of 15mm
- and prominent left temporal horn dilatation
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. There is moderate periventricular oedema due to obstruction to CSF
impregnation -
multipleoutflow.Multiple
focuses of small microangiopathy - and a microbleed within the right parietal lobe
Image MRI (Gradient Echo) ( update )
Image MRI (FLAIR) ( update )
Image MRI (T2) ( update )
Image MRI (T1) ( update )
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