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目的确定动态对比增强MRI(DCE-MRI)对直肠癌术前化疗后病理完全反应(pCR)的预测能力。方法系前瞻性的临床试验,23/34例入组病人在治疗前和治疗后于1.5TMR设备上行DCE-MRI。0.1mmol/kg钆以2mL/s的流率注
Objective To determine the predictive ability of dynamic Contrast Enhanced MRI (DCE-MRI) for pathologic complete response (pCR) after preoperative chemotherapy in rectal cancer. In a prospective clinical trial, 23 of 34 patients underwent DCE-MRI uptake on a 1.5T MRI device before and after treatment. 0.1 mmol / kg gadolinium was injected at a flow rate of 2 mL / s