Fig. 13
From: Magnetic resonance imaging of meningiomas: a pictorial review
Post-contrast sagittal T1-weighted sequence in a 49-year-old woman with a long-standing palpable lump demonstrates a pronounced hyperostotic focus within the left parietal bone with the bulk protruding extracranially. Immediately below the bone lesion there is a thin sheet of homogenously enhancing extra-axial soft tissue (arrow) consistent with an en plaque meningioma that was proved at surgery