Falx meningiomas are meningiomas that arise from the Falx cerebri.
Definition
According to Cushing's definition, falx meningiomas are completely covered by the overlying cerebral cortex and do not involve the Sinus sagittalis superior[^1].
Epidemiology
Falx meningiomas account for approximately 9 % of all intracranial meningiomas[^2].