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Meningiomas in 2009: Controversies and Future Challenges

Meningiomas are the most common intracranial primary neoplasm in adults. Over recent years, interest in this clinically diverse group of tumors has intensified, bringing new questions and challenges to the fore, particularly in the fields of epidemiology, radiology, pathology, genetics, and treatment. Interest in modern meningioma research has been stimulated by the high tumor prevalence and the advances in technology. The incidence of meningiomas is climbing, and may indicate increased exposure to environmental risk factors or more sensitive diagnostic modalities. Technological advances have dramatically improved radiologic imaging and radiotherapy treatments, and further refinements are under investigation. Furthermore, the current era of tumor genetics and molecular biology is challenging translational researchers to discover new, targeted, therapeutic agents. This review is an update on the recent advances in the understanding of meningiomas and their management, and highlights pertinent research questions to be addressed in the future.