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Subjacent FLAIR hyperintensity and enhancement have both decreased since the prior study and there is new ex vacuo dilatation of the right lateral ventricle. No new areas of involvement. A small focus of FLAIR hyperintensity in the left superior frontal gyrus has slightly increased in conspicuity, likely treatment related. Spectroscopy fails to show any significant tumoral trace. No diffusion restriction. No elevated CBV
Conclusion: Improved appearances, suggesting a component of response and/or resolving pseudoprogression.