MRI perfomed 6 month after CT scan.
The enlarging extra-axial lobulated mass is again demonstrated. It grows deep into the torcula, straight, transverse and superior longitudinal sinuses compressing the adjacent cerebellum and occipital lobes.
The lesion has heterogeneous low and intermediate T2 signal and demonstrates a diffuse vivid enhancement. No areas of internal diffusion restriction.
At spectroscopy there is a high choline concentration, low NAA and a tiny lactate/lipid peak.