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Technique: Pre and postcontrast study including brain lab, perfusion and spectroscopy sequences. No prior imaging for comparison.
Findings: Ovoid well-defined heterogeneous but predominantly T1 hypointense / T2 hyperintense (which partially suppress on FLAIR) mass involving cortex and white matter of the posteroinferior left parietal lobe measures 3.8 x 3.3 x 3.4 cm. A thin rim of flair hyperintensity surrounds its margin.
No concerning central or marginal enhancement.
Equivocal segment of thin rim diffusion restriction at the anterolateral margin. No elevated CBV. No evidence of haemorrhage or calcification.
Spectroscopy traces within show elevated choline and depressed NAA, consistent with tumour.
Mild local positive mass-effect. Overlying calvarium is unremarkable.
No other intra or extra-axial mass.
Conclusion: Solitary 3.8 cm left parietal lobe mass, most likely a low grade glioma.