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合成MRI弛豫定量直方图分析在乳腺BI-RADS 4类非肿块样强化病变良恶性 ...
本研究针对常规MRI对BI-RADS 4类非肿块样强化(NME)病变诊断效能有限的问题,探讨了合成MRI(SyMRI)弛豫定量参数直方图特征的诊断价值。通过提取T1、T2和质子密度(PD)的直方图特征,并结合DCE-MRI特征和ADC值构建诊断模型。结果显示,SyMRI模型(AUC=0.821)及 ...
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