Positron emission tomographic images and MR images were fused, and tumor-to-cortex (TIC) and tumor-to-white matter (TIWM) fluorodeoxyglucose uptake ratios were measured.

• 结合正子断层摄影和磁振造影的影像幷测量肿瘤对皮质(T/C)与肿瘤对白质(T/WM)氧-18去氧葡萄糖的摄取率。