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A 14x12x13 mm mass is demonstrated in the anterior pole of the left temporal lobe.
This lesion has low intrinsic T1 signal and high T2 signal, with a surrounding cuff of elevated T2 signal consistent with vasogenic oedema.
The mass demonstrates heterogeneous, predominantly peripheral contrast enhancement and contains a focus of restricted diffusion.
No other parenchymal abnormality is demonstrated.
A 6 x 20 mm convex "mass" demonstrated on the right side of the cerebral falx exhibits high T1 weighted signal, which disappears on fat saturated sequences.
No hydrocephalus is present.Conclusion
Mass demonstrated in the inferior pole of the left temporal lobe is consistent with stated history of GBM; in the right clinical context, a cerebral abscess and cerebritis could also give this appearance, although this is thought less likely.
Small right sided falcine extra axial mass is probably falx ossification, rather than a small meningioma, of unlikely clinical significance.