A 62-year-old-Man was presented with sudden onset of memory disturbances and behavioral alterations. On examination he was conscious with stable vital parameters. There was no deficit. Systemic examination and routine investigations were within normal limits.

MRI brain : heterogeneously enhancing mass lesion in the right thalamic region Source : Neurology India What is the likely diagnosis? *This case is from Docplexus Editorial Team for Educational purpose only.