Fig. 4From: High-grade glioma and solitary metastasis: differentiation by spectroscopy and advanced magnetic resonance techniquesA 57-year-old male patient with a histologically confirmed right prerolandic frontal lesion as metastasis from lung cancer. A Axial T1-weighted MR image with contrast. An irregular linear peripheral enhancement lesion with thickenings is visualized; B spectroscopic map in which the lack of choline elevation in the peritumoral voxels can be confirmed; C spectroscopic analysis showing a Cho peak and a not so pronounced NAA dropBack to article page