Intraosseous meningioma
Skeletal Radiology(1998)
Abstract
A 71-year-old woman with a long history of slowly progressive proptosis was found to have an intraosseous meningioma of the
right sphenoid bone. Radiologically, the lesion resembled fibrous dysplasia. The key to the diagnosis is irregularity of the
inner table of the skull. The histologic appearance is characteristic. Intraosseous meningioma is one part of the spectrum
of diseases known as primary extraneuraxial meningioma. In this paper we discuss the theories of cellular origin as well as
the radiologic differential diagnosis.
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Key words
Key words Bone tumor, Skull, Meningioma, extraneuraxial, Intraosseous, Proptosis
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