The patient went on to have the mass resected. 

Histology

MICROSCOPIC DESCRIPTION: Paraffin sections show fragments of a moderately hypercellular meningioma with a dural attachment. Also included are fragments of refractile foreign material. The tumor has a well developed syncytial architecture. Tumor cells have uniform nuclear features. No mitotic figures or areas of necrosis are identified and there is no evidence of brain invasion.

DIAGNOSIS: Meningioma (WHO Grade I).