细胞密度与表观弥散系数的相关性探讨附视频

被引:9
作者
赵继红 [1 ]
玲子 [1 ]
丁军 [2 ]
蒋世旭 [1 ]
杨海山 [2 ]
早川和重 [1 ]
机构
[1] 日本北里大学医学部放射线科
[2] 吉林大学中日联谊医院放射线科
关键词
磁共振成像; 乳腺疾病; 表观弥散系数; 间质百分比;
D O I
暂无
中图分类号
R445.2 [核磁共振成像];
学科分类号
摘要
目的研究乳腺磁共振成像(Magnetic resonance imaging,MRI)弥散加权像(diffusion-weighted image,DWI)中表观弥散系数(apparent diffusion coefficient,ADC)的影响因素。方法对照病理分析32例乳腺疾病患者的42个ADC值异常的感兴趣区,分析ADC的相关影响因素。结果乳腺间质成分百分比与ADC值呈正比趋势,随间质百分比的增加ADC值增加。肿瘤组织内出血、坏死及间质成分中纤维细胞排列的疏密对ADC有明显影响。结论细胞密度是ADC值的主要影响因素,与ADC值密切相关。
引用
收藏
页码:379 / 382
页数:4
相关论文
共 6 条
  • [1] In vivo diffusion-weighted MRI of the breast:potential for lesion characterization. Sinha S,Lucas-Quesada FA,Sinha U,et al. Journal of Magnetic Resonance Imaging . 2002
  • [2] Diffusion MR imaging:clinicalapplications. Le Bihan D,Turner R,Douek P,et al. American Journal of Roentgenology . 1992
  • [3] lBreast lesions:correlationof contrast medium enhancement patterns on MR images withhistopathologic findings and tumor angiogenesis. Buadu LD,Murakami J,Murayama S,et a. Radiology . 1996
  • [4] lMenstrual cycle vari-ation of apparent diffusion coefficients measured in the normal breastusing MRI. Partridge SC,McKinnon GC,Henry RG,et a. Journal of Magnetic Resonance Imaging . 2001
  • [5] Magnetic resonanceimaging of intraductal papilloma of the breast. Daniel BL,Gardner RW,Birdwell RL,et al. Magnetic Resonance Imaging . 2003
  • [6] Diffusion imaging of the hu-man breast. Englander SA,Ulug AM,Brem R,et al. NMR in Biomedicine . 1997