Sections show a tumor formed of proliferating meningothelial cells with focal whorling. Areas of the tumor shows intracytoplasmic lamina with dense eosinophilic secretion (pseudo- psammoma bodies). The cytoplasm of these cells is eosinophilic and abundant and cell borders are ill-defined. No evidence of atypia or malignancy. Picture is consistent with secretory meningioma. This is a WHO grade I meningioma.
Lt. frontal extra-axial dural based enhanced lesion with surrounding vasogenic edema.
Soft tissue fragments collectively measured 1.7x1.5x0.7 cm, totally embedded.
Lt. Frontal extra-axial dural based enhanced lesion, biopsy: