Abstract
Meningioma is a common benign intracranial neoplasm. The incidence of extracranial extension to other sites is rare. Due to the neglected intracranial component, the chances of an under diagnosis or a misdiagnosis of the extracranial component is there, which may adversely affect the management and therefore, the prognosis of the patient.
Highlights
Meningioma is the second most common primary brain tumor. It accounts for accounts for 13-15% of all intracranial neoplasms. It is classified by the combination of two properties: The site of the tumor and the pathological nature of the tumor
The pathological nature of meningioma determines its association with the brain parenchyma, i.e., benign meningioma is usually compressive to the brain parenchyma due to its expansive growth, and malignant meningioma is more likely to be invasive into the neighboring brain parenchyma due to its intrusive growth
Clinical observations have indicated that there is a sub-group of benign meningioma displaying a malignant growth pattern, that is, invasion into the neighboring brain tissue and overlying bony and soft tissues
Summary
Meningioma is the second most common primary brain tumor It accounts for accounts for 13-15% of all intracranial neoplasms. It is classified by the combination of two properties: The site of the tumor (for example, convex meningioma, sphenoid crest meningioma or cerebellar meningioma) and the pathological nature of the tumor (benign or malignant meningioma). This classification provides accurate localization of the tumor and enables the selection of the appropriate surgical approach, in addition to allowing the setting of a multidisciplinary management plan and an estimation of patient's prognosis. We present a case in this category (atypical meningioma in 2009)
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