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出 处:《国际放射医学核医学杂志》2011年第6期339-346,共8页International Journal of Radiation Medicine and Nuclear Medicine
摘 要:PET—CT和磁共振弥散加权成像是两类检测恶性肿瘤的重要成像方法,前者提供肿瘤组织的功能代谢信息,比如葡萄糖代谢、氨基酸代谢等信息,后者反映水分子的运动状况,二者各有优缺点及适应证,二者有机结合能够对病变获得尽可能多的形态学与代谢学信息,有利于病变的局部定性和系统分期,显著提高诊断的准确率,为临床选择最优化的治疗方案提供最有效的信息。PET-CT and magnetic resonance diffusion-weighted imaging(DWI) are two types important imaging modalities in tumor detection, the former could provide functional metabolism information, such as glucose melabolism, amino acids metabolism and so on. While the latter could offer the water molecules motion information in tissues. The two modalities both have advantages, disadvantages and indi- cations of themselves. We will obtain more morphology and metabolism informations while the two modali- ties were combined favorably. The combination of the two were useful to decide the quality of local lesions and systematic stage, and to increase the diagnostic accuracy, that could provide the most effective informations for clinic to choose optimal treatment plan.
关 键 词:肿瘤 诊断 鉴别 正电子发射断层显像术 体层摄影术 X线计算机 磁共振 成像 弥散
分 类 号:R445.2[医药卫生—影像医学与核医学] R730.4[医药卫生—诊断学]
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