Central neurocytoma with tumoral cyst
Contrast-enhanced MRI Brain
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Large heterogeneous mixed solid and cystic lesion with areas of nodular enhancement centered in the region of the posterior septum pellucidum with extension into the left lateral ventricle. Areas of susceptibility within the lesion may correspond to calcification and/or blood products.
This is an example of a central neurocytoma, a WHO II neuroepithelial intraventricular tumor that was confirmed on resection. Typically on imaging, these appear "bubbly" due to the cystic components.