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目的前瞻性研究CT灌注成像参数,如血浆与细胞外血管外间(EES)的容积转换常数(Ktrans)以及根据动态CT数据计算出的血容量,能否用于预测胰腺癌联合放化疗
Objective To prospectively study CT perfusion imaging parameters such as Ktrans (volume transfer constant) between plasma and extracellular extravascular space (EES) and blood volume calculated from dynamic CT data for the prediction of pancreatic cancer combined with chemoradiation