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Washington University Experience | NEOPLASMS (MENINGIOMA) | Gross Pathology | 21B1 Meningioma, WHOII, brain invasion (Case 21) N16 WM
The superficial dural and extracranial portion of the mass contains less than 5% of the viable cells. Instead it consists largely of dense bands of collagen and focal calcifications. Notice the thrombosis of the superior sagittal sinus.
