Overview and recent advances in incidental meningioma.

: Overdiagnosis and excessive follow-up are potential pitfalls in the management of incidental meningioma. An MRI after 6-12 months could be reasonable to rule out rapid growth and differential diagnoses. Using the available prognostic models, one might later suggest more active monitoring for certain patient groups harboring specific radiological features predictive of growth. However, detecting growth may not necessarily be clinically significant as all larger non-growing meningiomas have at one point been small. Too much follow-up may place an unnecessary burden on patients and the health care system and could be a driver towards overtreatment. It must be contemplated whether growth is an acceptable primary outcome measure, or if there are other factors more relevant to consider in this often benign tumor entity.