Presentation
Headache and vertigo.
Patient Data
Age: 60 years
Gender: Female
From the case:
Petroclival meningioma
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Small well-circumscribed extra-axial mass (measuring 13 X 11 X 10 mm) with broad-based dural attachment to the right aspect of the clivus and petroclival junction, filling the right aspect of the prepontine cistern and located inferomedial to the cisternal portion of the trigeminal nerve. It elicits an isosignal to the cortical grey matter on T1, T2, and high signal FLAIR with vivid homogeneous enhancement, and dural tail sign on postcontrast sequences.
Small vessel ischemic changes are noted.
Case Discussion
MRI features most consistent with a petroclival meningioma.
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