Foramen magnum meningioma
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At the time the case was submitted for publication Mohammad A. ElBeialy had no recorded disclosures.View Mohammad A. ElBeialy's current disclosures
Headache and bilateral upper limb paresthesia
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Dorsal foramen magnum mass is seen compressing the cervicomedullary junction and upper cervical cord. Post contrast images appear to have limited contrast (note paucity of mucosal enhancement) and as such a comment on enhancement characteristics of this mass is difficult. Mega-cisterna magna is incidentally noted.
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Meningiomas are a common primary intracranial neoplasm but location at the foramen magnum is uncommon - accounting for ~2.5% (range 1.8-3.2%) of meningiomas 1.
- Boulton MR, Cusimano MD. Foramen magnum meningiomas: concepts, classifications, and nuances. Neurosurg Focus. 2006;14 (6): e10. Pubmed citation
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