| 杨小庆,刘玉品.扩散加权成像量化鉴别诊断肝占位性病变[J].中国医学影像技术,2005,21(3):378~382 |
| 扩散加权成像量化鉴别诊断肝占位性病变 |
| Diffusion weighted imaging quantitative differential diagnosis of liver lesions |
| 投稿时间：2004-12-24 修订日期：2005-02-21 |
| DOI： |
| 中文关键词: 肝脏 磁共振成像 扩散加权成像 |
| 英文关键词:Liver Magnetic resonance imaging Diffusion weighted imaging |
| 基金项目: |
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| 中文摘要: |
| 目的 量化分析肝占位性病灶的表观扩散系数ADC值及其扩散加权成像的图像特点。方法 对20例正常志愿者及60例肝占位性病变患者行扩散加权成像,并测量腹部脏器、肝占位性病灶的ADC值及肝占位性病灶ADC值/本身肝实质ADC值的比值。结果 表观扩散系数ADC值以2.50×10-3 mm2/s为界可较明确鉴别肝囊性及实性病变。结论 通过综合及量化分析病灶的ADC值的变化,能更准确地判断肝占位的性质,为肝占位性病变的诊断及 |
| 英文摘要: |
| Objective To quantitatively investigate the ADC values of liver lesions and to analyze the image characteristics of diffusion weighted imaging (DWI). Methods DWI was performed on 20 healthy volunteers and 60 patients with liver lesions. The ADC values of liver lesions and normal abdominal organs were measured and the ratio of ADCs of liver lesions to that of liver parenchyma was calculated. Results The value 2.50×10-3mm/s2 of ADCs could distinguish cystic lesions from solid ones. Conclusion Combined analysis DWI and ADC values of liver lesions is a new and accurate approach in diagnosis and differential diagnosis of liver lesions. |
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