Atypical meningioma (WHO grade II)

Case contributed by Assoc Prof Frank Gaillard



Patient Data

Age: 40 years
Gender: Female

A large left frontal extra-axial mass is present with marked positive mass effect and associated edema in the adjacent brain. In many areas, an intact cortical ribbon cannot be identified which raises the possibility of brain invasion. Areas of signal loss are consistent with calcification/mineralization. No calvarial destruction or intraosseous enhancement. 

Case Discussion

The patient went on to have surgery and histology confirmed the diagnosis of an atypical meningioma (WHO grade II). 

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