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PET显像从分子水平反映肿瘤组织中的生化变化和代谢状态 ,对肿瘤放疗前治疗计划的制定、放疗疗效的评价、肿瘤放疗后复发或残留的诊断和肿瘤放疗后预后评价等方面均具有重要作用。
PET imaging from the molecular level reflects the biochemical changes and metabolic status of tumor tissue, tumor radiotherapy before the treatment plan formulation, evaluation of radiotherapy efficacy, recurrence or residual tumor radiotherapy after diagnosis and prognosis of tumor radiotherapy are important effect.