Presentation
Seizure
Patient Data
Age: 40 years
Gender: Female
Axial non-contrast
CT of the brain demonstrates no focal mass or abnormality. Incidental note is made of a 20 mm pineal cyst.
Case Discussion
When pineal cysts are large they can compress the tectum and even result in obstructive hydrocephalus (not in this patient). It is advisable to follow atypical / large pineal cysts as they may represent a cystic pineal neoplasms. Further assessment with an MRI should be performed in this case.