Intracranial Meningiomas in Udonthani Hospital and Review of the Literature
Abstract
Objective: To report CT scan and MR image findings of symptomatic fifty patients with intracranial meningiomas and review of the literature.
Methods: Retrospective review CT scan and MR image findings of fifty symptomatic patients with intracranial meningiomas operated in Udonthani hospital from October 2005 to June 2008.
Results: Fifty patients (4:1 female to male ratio. Mean age was 44.7 years; range 15-82 years.) were studied. 73.6% of CT scans demonstrated typical features and 18.9% showed hyperostosis. Most common locations were cerebral convexity and sphenoid ridge. three patients showed multiple meningiomas. 80% of patients showed typical MR image features and 60% dural tail sign. Peritumoral edema was found in 67.3% of patients.
Conclusion: Meningiomas are usually benign tumors with characteristic CT and MR imaging features. However on a review of the literature, there are several important histologic variants of meningiomas that can have unusual or misleading radiologic features.
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