Intraventricular meningioma

Case contributed by Dr Irvine Sihlahla

Presentation

Headache and seizures for 4 months. No history of trauma or fever

Patient Data

Age: 45 years
Gender: Female
mri

Multi-lobulated heterogeneously enhancing mass centered in the trigone of right lateral ventricle with associated entrapment hydrocephalus of the temporal and occipital horns of the right lateral ventricle. Significant mass effect and compression of the midbrain and midline shift. The blooming artifact on SWI confirms calcifications.

ct

Avidly enhancing extra-axial intra-ventricular mass centered within the occipital horn of the right lateral ventricle associated with obstructive hydrocephalus. The multi-lobulated mass has intra-lesional calcification but no necrosis. Local mass effect with surrounding edema, midline shift and subfalcine herniation.

Case Discussion

The patient had surgical resection with histopathological confirmation of intraventricular meningioma. Differential diagnoses include choroid plexus carcinoma, central neurocytoma and metastasis.

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