Anaplastic meningioma

Case contributed by Frank Gaillard


Adult patient with frontal scalp swelling.


Selected images from an MRI with contrast demonstrate a very large bifrontal extraaxial mass which has a large dural base and enhances homogeneously. The frontal bone, especially on the left demonstrates abnormal signal with a small amount of extension beneath the scalp. 

The main differential is between a  hemangiopericytoma and a meningioma.  

Case Discussion

The mass was resected and histologically proven to be an anaplastic meningioma (WHO grade III)

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