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A case of intraosseous atypical meningioma with perineural spread in the middle cranial base Yuito Michiwaki 1 1Department of Diagnostic and Interventional Radiology Graduate School of Medicine, Osaka Metropolitan University Keyword: 骨内髄膜腫 , 中頭蓋底 , 神経周囲進展 pp.835-839
Published Date 2024/11/10
DOI https://doi.org/10.18888/rp.0000002794
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We report a case of intraosseous atypical meningioma in an 82-year-old woman. CT showed an osteolytic mass in the middle cranial fossa, sphenoid bone, and maxillary sinus. MRI showed that the mass had heterogeneous enhancement and extended from the right pterygopalatine fossa to the foramen rotundum, suggesting perineural spread. Intraosseous meningioma is a differential diagnosis in osteolytic tumors of the sphenoid bone, and perineural spread may be a critical finding in meningiomas of the middle cranial base.


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