Official reprint from UpToDate
نویسندگان
چکیده
According to the Central Brain Tumor Registry in the United States (CBTRUS), there were approximately 18,000 new cases of meningioma diagnosed annually from 2004 to 2006. Currently, the estimated prevalence in the United States is that there are 170,000 people with meningioma, because of the prolonged natural history of meningiomas and because asymptomatic elderly patients and those with significant comorbidity are often managed without active intervention.
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