Legend Axial T2, Axial FLAIR and Sagittal T1 images show a mass in the high-posterior left frontal lobe, adjacent to the midline. The mass has predominately low T1 and high T2 signal. There is a central focus of lower T1 and higher T2 signal within the mass.

Legend Left: Axial T1 image confirms the cortical location of the mass. Middle & right: Axial and coronal post contrast T1 images show no enhancement. Key words: mri tumor neoplasia

Brain Diagnosis: Oligodendroglioma