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(A) MRI prior to surgery showed a tumor in the right thalamus enhanced with gadolinium diethylenetriamine pentaacetic acid. (B) MRI following maintenance TMZ therapy showed the enhanced lesion in the right thalamus had disappeared without recurrence. (C and D) Recurrent tumor was revealed on MRI; leptomeningeal dissemination was identified in the supra- and infratentorial brain without primary site recurrence. MRI, magnetic resonance imaging; TMZ, temozolamide.
