Figure 6: Magnetic resonance images of the experimental group on postoperative day 28. (A) T1WI; (B) T2WI; (C and D) Gd-DTPA-T1WI. Arrows indicate tumor lesion. The experimental group was injected with Dulbecco's modified Eagle medium containing C6 glioma cells. Gd-DTPA-T1WI: Gadolinium-diethylene triamine pentaacetic acid T1-weighted images, L: Left, R: Right, T1WI: T1-weighted images, T2WI: T2-weighted images