Introduction Atypical meningiomas (World Health Organization [WHO] grade II) represent a
therapeutic challenge given their high recurrence rate and greater mortality compared with …

Objective Because of the paucity of relevant data, treatment and outcomes in intracranial
atypical meningioma (AM) remain unclear. The aim of this study was to find useful factors …

Objective The role of adjuvant radiotherapy (ART) in patients with World Health Organization
Grade II atypical meningiomas (AMs) remains controversial. Methods We retrospectively …

Background To analyse the outcome of patients with WHO grade II meningioma and identify
factors that may influence recurrence and survival. Material and methods Between January …

We report a single institution series of surgery followed by either early adjuvant or late
radiotherapy for atypical meningiomas (AM). AM patients, by WHO 2007 definition …

Objective Atypical meningiomas represent 20% of all meningiomas. This retrospective study
analyzes the prognostic factors, the effect of different methods of treatments, and the …

Background The rarity and the inconsistent criteria for defining atypical meningioma prior to
the WHO 2007 classification made its management and prognostic factors poorly …

Although atypical meningioma recurs frequently in spite of total resection and/or
radiotherapy, no consensus on optimal adjuvant management was found. However, several …

Object The World Health Organization (WHO) reclassified atypical meningiomas in 2000,
creating a more clear and broadly accepted definition. In this paper, the authors evaluated …

Background Atypical meningioma is a heterogeneous group of tumors with an unpredictable
behavior. Our objectives were to study patients with atypical meningioma, monitor their …