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Multiple intracranial meningiomas
M Domenicucci1, A Santoro, D H D'Osvaldo
1Department of Neurological Sciences (Neurosurgery-Neurotraumatology), Rome University La Sapienza, Italy.
Abstract:
The authors report 14 cases of multiple intracranial meningiomas representing 1.1% of all meningiomas operated on at their hospital in the past 35 years. Differentiation of multiple meningiomas, especially from meningiomatosis, must be strict. Since the introduction of computerized tomography scanning, the frequency of these cases has risen from 0.58% to 4.5% in the authors' meningioma series. Despite the multiplicity of sites, multiple meningiomas do not differ in prognosis from benign solitary meningiomas.
Insights
Multiple intracranial meningiomas are rare, accounting for 1.1% of operated meningiomas. Despite multiple sites, their prognosis is similar to solitary meningiomas.
Area of Science:
- Neurosurgery
- Oncology
- Radiology
Background:
- Multiple intracranial meningiomas are uncommon, representing 1.1% of operated cases over 35 years.
- Distinguishing multiple meningiomas from meningiomatosis is crucial for accurate diagnosis and treatment planning.
- The advent of computed tomography (CT) scanning has increased the detection rate of multiple meningiomas.
Purpose of the Study:
- To analyze the incidence and characteristics of multiple intracranial meningiomas.
- To emphasize the importance of differentiating multiple meningiomas from meningiomatosis.
- To compare the prognosis of multiple meningiomas with solitary meningiomas.
Main Methods:
- Retrospective review of 14 cases of multiple intracranial meningiomas operated on over 35 years.
- Analysis of diagnostic imaging, particularly CT scans, for case identification and characterization.
- Comparison of clinical data and outcomes between patients with multiple meningiomas and those with solitary meningiomas.
Main Results:
- Multiple intracranial meningiomas constituted 1.1% of all operated meningiomas.
- The frequency of diagnosed multiple meningiomas increased significantly from 0.58% to 4.5% after the introduction of CT scanning.
- Prognosis for patients with multiple meningiomas was comparable to that of patients with solitary meningiomas, irrespective of lesion multiplicity.
Conclusions:
- Multiple intracranial meningiomas, while rare, require careful differentiation from meningiomatosis.
- Increased detection rates of multiple meningiomas are attributed to advancements in neuroimaging like CT scans.
- The multiplicity of intracranial meningiomas does not adversely affect patient prognosis compared to solitary tumors.