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由于复发胶质瘤与放射性坏死、局部反应性增生等治疗后改变都可以在形态学影像CT或MRI上出现局部增强,所以鉴别诊断往往是困难的[14]。使用正电子发射扫描(FDG PET)测定脑葡萄糖代谢在这方面是有价值的,但由于其价格昂贵,目前还无法广泛使用[4-6]。最近一些文献报道铊201单光子
Because recurrent glioma and radioactive necrosis, local reactive hyperplasia and other post-treatment changes can be localized in the morphological imaging CT or MRI, so the differential diagnosis is often difficult [14]. The use of positron emission tomography (FDG PET) in the determination of brain glucose metabolism is valuable in this respect, but due to its high cost it is not yet widely available [4-6]. Some recent reports of thallium 201 single photon