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Multiple meningiomas. Clinical and computer tomographic observations
Abstract:
The same histological types of tumor are found in multiple as in solitary meningiomas. Multiple meningiomas cannot be considered in every case to be a forme fruste of von Recklinghausen's disease. The incidence of multiple meningiomas in this paper is higher than had been reported before the introduction of computer tomography (CT) into clinical practice. The number of tumor nodes is determined more accurately by CT than by angiography because tumors are detected in patients without neurological deficit. CT has limitations in the verification of small meningioma nodules near the base of the skull and in the differentiation of multiple meningiomas from meningeal meningiomatosis or primary meningeal sarcomatosis.
Insights
Multiple meningiomas share tumor types with solitary ones and are not always linked to von Recklinghausen's disease. Computer tomography (CT) improves detection rates for these tumors.
Area of Science:
- Neuropathology
- Neurosurgery
- Radiology
Background:
- Multiple meningiomas, while sharing histological types with solitary tumors, are not definitively a variant of von Recklinghausen's disease.
- Previous incidence rates for multiple meningiomas may be underestimated due to diagnostic limitations.
Observation:
- Computer tomography (CT) has significantly increased the detection rate of multiple meningiomas.
- CT enables more accurate enumeration of tumor nodules compared to angiography, identifying tumors even in asymptomatic patients.
Findings:
- The study observed a higher incidence of multiple meningiomas post-CT introduction.
- CT enhances the identification of multiple meningiomas, detecting lesions in patients without neurological deficits.
Implications:
- CT is crucial for accurate diagnosis and staging of multiple meningiomas.
- Further research is needed to address CT's limitations in detecting small basal skull meningiomas and differentiating from other dural pathologies.