Published in
Elsevier, Clinical Imaging, 5(38), p. 599-604, 2014
DOI: 10.1016/j.clinimag.2014.05.013
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Cranial Intraosseous Meningioma: Spectrum of neuroimaging findings with respect to histopathological grades in 65 patients
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Elcin Zan ,
Ami Vikani,
Jay J. Pillai,
Sachin Gujar,
Nafi Aygun,
Izlem Izbudak
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Abstract
The aim of this study was to determine various imaging features of intraosseous meningiomas (IOMs) and differentiate low grade from high-grade tumors. The histopathologic evaluation revealed WHO grade I tumor in 56 (86 %) patients, grade II in 8 (12%) and grade III in 1 (2 %) patient. WHO grade I was considered low grade and II and III were designated as high grade. Hyperostosis was observed most commonly in low-grade IOMs. Mixed hyperostotic/lytic pattern with radial bony spiculations, and presence of a scalp mass seem to be more frequently associated with higher grade IOMs.