Imagerie medicale, AP-HP, groupe Henri-Mondor Albert-Chenevier, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Creteil, France.
Clin Res Hepatol Gastroenterol. 2011 Sep;35(8-9):539-48. doi: 10.1016/j.clinre.2011.05.001. Epub 2011 Jun 22.
Diffusion-Weighted-Imaging (DWI) assesses proton motion on a cellular scale. Owing to recent instrumentation developments, diffusion sequences are now routinely used for liver imaging. This review will go through the physical principles that underlie this technique, and then highlight up-to-date liver applications including quantification of liver fibrosis, focal lesions detection and characterization, and therapy response monitoring.
弥散加权成像(DWI)评估细胞尺度上的质子运动。由于最近仪器设备的发展,扩散序列现在已常规用于肝脏成像。本综述将介绍该技术的物理原理,然后重点介绍最新的肝脏应用,包括肝纤维化的定量、局灶性病变的检测和特征分析以及治疗反应监测。