Presentation
Headache and bilateral upper limb paresthesia
Patient Data
Age: 40 years
Gender: Female
From the case:
Foramen magnum meningioma
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Sagittal T1
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.
Case Discussion
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.
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