Intraventricular simple cyst

Case contributed by Dr Matthew Lukies


Gradually worsening headache for several days. Otherwise well.

Patient Data

Age: 30
Gender: Female
  • Large cystic lesion in the posterior body of the right lateral ventricle
  • Mild dilatation of the temporal and occipital horns of the right lateral ventricle
  • No contrast enhancing lesions

Findings are consistent with intraventricular simple cyst.

Case Discussion

"Intraventricular simple cyst" describes a cystic lesion in the cranial ventricles that follows CSF on all imaging modalities and phases/sequences. The lesion may be lined by arachnoid or ependymal cells, but this is indistinguishable on imaging. Patients are often asymptomatic at presentation, but hydrocephalus can occur.

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Case information

rID: 56580
Published: 10th Nov 2017
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included
Institution: Alfred Hospital

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