Abstract
Background: Cystic meningioma is a rare variety of meningioma. It represents 4% to 7% of all meningiomas. The authors report a case of intracranial cystic meningioma with a review of literature. Case Report: A 59-year-old female presented with a history of headache followed by left side hemiplegia. CT scan and MRI of the brain showed a right parietal tumor with double solid and cystic components thought to be pilocytic astrocytoma or metastasis preoperatively. At surgery, the extraaxial solid and cystic lesion had a well defined capsule that could be easily separated from the perilesional cortical surface. The tumor was totally removed and the cyst was punctioned. The histological study showed a cystic meningioma WHO Grade I. A follow-up at 10 months after surgery, the patient was going well and recovered from the hemiplegiaa. Conclusion: Cystic meningioma is an uncommon tumor that should be considered in the differential diagnosis of brain tumors with a cystic component. The preoperative diagnosis and management could be in some cases challenging.
Highlights
Cystic meningioma is a rare variety of meningioma
The authors report a case of intracranial cystic meningioma with a review of literature
Cystic meningioma is an uncommon tumor that should be considered in the differential diagnosis of brain tumors with a cystic component
Summary
Meningiomas are the most common extra-axial tumours, accounting for 15% of all intracranial tumours. Cystic meningioma is a relatively rare condition that is more frequently found in males in the frontoparietal areas men [3]. The diagnosis of cystic meningioma may pose a dilemma especially in cases based exclusively on CT imaging. There are less dilemmas with MRI, cystic menangiomat can be misdiagnosed (in about 20% of cases) as glial tumour, metastasis, neuroblastoma or haemangioblastoma [7]. Surgical removal of the entire tumor and its cyst remains the predominant treatment for cystic meningioma [5] [6]. We report here a rare case of intracranial cystic meningioma, and review the importance of preoperative diagnosis as well as the management and perprocedure challenges
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