Prognostic factors in atypical meningiom

Abstract

Atypical meningioma represent an intermediary group between the benign meningioma (grade I) and anaplastic meningioma (grade III), and are known for high recurrence rate and short life expectancy. After modification of the classification World Health Organization in 2007, subsequent studies have tried to find prognostic factors for recurrence and survival, which are inconstant from author to author. This paper aims to present a short review of the most important prognostic factors in atypical meningioma.