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首页> 外文期刊>Acta Radiologica Open >Quantification of severe liver iron overload using MRI offset echoes
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Quantification of severe liver iron overload using MRI offset echoes

机译:使用MRI偏移回波对严重肝铁超负荷进行定量

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Magnetic resonance imaging (MRI) has become the clinical standard to estimate liver iron overload. The most commonly used method is to measure the transversal relaxation time, T2*, from a multi gradient recalled echo sequence (MGRE). While this technique is reliable in low to moderate liver iron concentrations (LIC), it will be inaccurate when it is severe. We report a case with severe liver hemochromatosis and show the benefit of using an easily implemented MRI offset echo sequence to more accurately estimate LIC. After adjusting treatment, both Ferritin and LIC decreased. Using standard MGRE this reduction could not have been detected.
机译:磁共振成像(MRI)已成为评估肝铁超负荷的临床标准。最常用的方法是从多梯度召回回波序列(MGRE)中测量横向弛豫时间T2 *。尽管此技术在低至中等的肝铁浓度(LIC)中是可靠的,但严重时将是不准确的。我们报告了一例严重的肝血色素沉着病,并显示了使用易于实施的MRI偏移回波序列更准确地估计LIC的益处。调整治疗后,铁蛋白和LIC均下降。使用标准MGRE,无法检测到这种降低。

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