A 46-year-old woman presented with progressive back pain and lower leg numbness. Following initial investigation with CT, which revealed destructive lytic lesions at multiple vertebral body levels, further characterisation with MRI was performed (Figure 1). She gave a remote history of an ovarian malignancy almost 10 years previously. The spinal lesions were treated with palliative decompressive laminectomy and radiation therapy. She remained well for 21 months and then re-presented with confusion. A large, extra-axial mass was identified in the left frontoparietal region on contrast-enhanced CT (Figure 2). MRI was also performed pre and post administration of gadolinium (Figures 3 and 4). What MRI characteristics are common to both the spinal and brain lesions? What is their most likely aetiology?
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