Meningiomas are highly vascularized, extra-axial central nervous system (CNS) tumors that derive blood supply from both extracranial and intracranial circulations. This book reviews risk factors, treatment options and outcomes of meningiomas. Chapter One reviews and discusses recent risk factors of meningioma development. Chapter Two provides an updated analysis of the current practice of meningioma embolization in the 21st century, as it pertains to practicing clinicians. Chapter Three reviews the current evidence for use of laser interstitial thermal therapy (LITT) in the management of cranial meningiomas, discusses technical issues, and explains the indications for use of LITT in the treatment of meningioma. The remaining chapters discuss how to select elderly patients for meningioma surgery, different treatment options, and clinical factors contributing to optimal surgical outcome for the elderly.