股骨头缺血性坏死(osteonecrosis of the femoral head,ONFH)是发生在髋关节的较为常见的骨科疾病,对患者生活质量和身体健康造成极大的影响。早诊断、早治疗对疾病的预后至关重要。临床上X线、CT和MRI是检查和诊断股骨头坏死不可缺少...股骨头缺血性坏死(osteonecrosis of the femoral head,ONFH)是发生在髋关节的较为常见的骨科疾病,对患者生活质量和身体健康造成极大的影响。早诊断、早治疗对疾病的预后至关重要。临床上X线、CT和MRI是检查和诊断股骨头坏死不可缺少的影像方法,其中MRI及其功能成像(fMRI)具有无创、无辐射、软组织分辨力高等优势,在股骨头缺血性坏死的早期诊断和治疗评估方面有着较好的应用价值和前景。本文选取磁共振功能成像(fMRI),包括扩散成像(DWI)、波谱成像(MRS)、灌注成像(PWI)和动态对比增强磁共振成像(DCE-MRI)在股骨头缺血性坏死的诊断和中西医结合治疗疗效评估的应用现状和进展进行综述。展开更多
We first put forward the idea of a positive extension matrix (PEM) on paper. Then, an algorithm, AE_ 11, was built with the aid of the PEM. Finally, we made the comparisons of our experimental results and the final re...We first put forward the idea of a positive extension matrix (PEM) on paper. Then, an algorithm, AE_ 11, was built with the aid of the PEM. Finally, we made the comparisons of our experimental results and the final result was fairly satisfying.展开更多
文摘股骨头缺血性坏死(osteonecrosis of the femoral head,ONFH)是发生在髋关节的较为常见的骨科疾病,对患者生活质量和身体健康造成极大的影响。早诊断、早治疗对疾病的预后至关重要。临床上X线、CT和MRI是检查和诊断股骨头坏死不可缺少的影像方法,其中MRI及其功能成像(fMRI)具有无创、无辐射、软组织分辨力高等优势,在股骨头缺血性坏死的早期诊断和治疗评估方面有着较好的应用价值和前景。本文选取磁共振功能成像(fMRI),包括扩散成像(DWI)、波谱成像(MRS)、灌注成像(PWI)和动态对比增强磁共振成像(DCE-MRI)在股骨头缺血性坏死的诊断和中西医结合治疗疗效评估的应用现状和进展进行综述。
文摘We first put forward the idea of a positive extension matrix (PEM) on paper. Then, an algorithm, AE_ 11, was built with the aid of the PEM. Finally, we made the comparisons of our experimental results and the final result was fairly satisfying.
