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Atypical and malignant meningiomas

INTRODUCTION

Meningiomas account for approximately one-third of primary central nervous system tumors (table 1 and figure 1). Most meningiomas are benign (WHO grade I), although up to one-fifth of such tumors are classified as atypical (World Health Organization [WHO] grade II) or malignant (WHO grade III). (See "Meningioma: Epidemiology, risk factors, and pathology", section on 'Pathology'.)

The management of patients with meningioma requires a balance between definitive treatment of the tumor and avoidance of neurologic damage from the treatment. Patient-specific factors (eg, presence or absence of symptoms, age, comorbidity), the location of the meningioma in relation to critical brain structures and regions, and the histopathologic characteristics (WHO grade) of the meningioma all are important factors in determining the optimal treatment.

WHO grade II and grade III meningiomas will be reviewed here. Other topics on meningioma include:

Epidemiology and risk factors (see "Meningioma: Epidemiology, risk factors, and pathology")

Clinical presentation (see "Meningioma: Clinical presentation and diagnosis")

            

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Literature review current through: Aug 2014. | This topic last updated: Apr 22, 2014.
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