DD of bilateral basal ganglionic lesion ?
carbon monoxide poisoning, wilson disease, venous infarction, Huntington chorea, CJD, leigh disease, artery of Percheron infarction, Wernicke encephalopathy, liver disease, Osmotic myelinolysis, FAHR,
Diffuse enlargement and abnormal signal alteration of both thalami, caudate nuclei, insular regions and medial temporal cortices bilaterally. They display iso intense signal in T1 and bright signal in T2/FLAIR without diffusion restriction or post contrast enhancement.
Diagnosis: Grade II astrocytoma (pathologically proven)