Multiple meningiomas

When two or more mutually unconnected meningiomas appear intracranially, the condition is termed multiple meningiomas. Multiple meningiomas are most commonly found on the convexity of the brain, scattered around a larger meningioma, and may also occur at the skull base. Occasionally, multiple meningiomas may simultaneously appear both intraventricularly and extraventricularly, or concurrently in the supratentorial and infratentorial regions. Additionally, it is clinically common to observe intracranial meningiomas coexisting with acoustic neuromas or intraspinal meningiomas.