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Intraosseous lipomatous meningioma
Lauren Kim1, Christopher Huang2, Adrienne L Morey2
1Department of Neurosurgery, St Vincent's Hospital, 390 Victoria Street, Darlinghurst, NSW 2010, Australia.
Case Reports in Neurological Medicine
|February 18, 2015
Summary
This study reports the first case of a lipomatous meningioma with significant intraosseous extension. This rare tumor presented as a parietal lump in a 49-year-old man.
Area of Science:
- Neurosurgery
- Neuropathology
- Oncology
Background:
- Meningiomas are tumors arising from the meninges.
- Lipomatous meningiomas are a rare subtype with debated pathogenesis.
- Intraosseous extension is an uncommon feature in meningiomas.
Purpose of the Study:
- To report a unique case of lipomatous meningioma with predominant intraosseous extension.
- To contribute to the understanding of rare meningioma subtypes.
- To highlight diagnostic and surgical considerations for intraosseous meningiomas.
Main Methods:
- Computed tomography (CT) and magnetic resonance imaging (MRI) for lesion characterization.
- Stereotactic craniectomy and surgical excision of the lesion.
- Histopathological analysis for definitive diagnosis.
Main Results:
- A 49-year-old male presented with headaches and a parietal mass.
- Imaging revealed an intraosseous right parietal lesion.
- Histopathology confirmed a primary lipomatous meningioma with intraosseous extension.
Conclusions:
- This case represents the first reported instance of a lipomatous meningioma with predominantly intraosseous extension.
- The findings expand the known spectrum of meningioma presentations.
- Further research is needed to clarify the pathogenesis of lipomatous meningiomas.
