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En plaque meningioma - sphenoid wing

Case contributed by Mohammad Farghali Ali Tosson
Diagnosis almost certain

Presentation

Right proptosis.

Patient Data

Age: 55 years
Gender: Female

An extra-axial right sphenoid wing soft tissue mass lesion with intense homogeneous enhancement after intravenous gadolinium contrast administration. Significant dural tail enhancement is evident harboring areas of signal void pattern suggesting calcified component. The lesion is associated with marked hyperostosis of the right sphenoid bone with significant right proptosis.

A lipoma posterior to the midbrain, in left side of quadrigeminal cistern, is a concomitant finding that is suppressed in fat suppression sequences.

Case Discussion

Right sphenoid wing en plaque meningioma with hyperostosis of the sphenoid wing and right proptosis.

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