磁敏感加权成像临床应用研究进展

磁敏感加权成像（susceptibility weighted imaging,SWI）对于显示静脉血管、血液成分（如出血后各期代谢产物）、钙化、铁沉积等非常敏感。已广泛应用于各种出血性病变、异常静脉血管性病变、肿瘤及变性类疾病的诊断及铁含量的定量分析。本文对SWI在脑血管病、脑外伤、脑肿瘤、神经变性类疾病、脱髓鞘性病变及其在体部的临床应用进行文献回顾,同时提出SWI技术的优势与不足。

Development of susceptibility weighted imaging in clinical application

Susceptibility weighted imaging （SWI） is extremely sensitive in discovering venous blood,blood constituents such as metabolites after bleeding,iron and calcification,et al. It has been generally applied in diagnosing such as hemorrhage process,abnormal venous blood,brain neoplasm,and quantitative analysis in iron contents. This article reviewed the literatures that SWI sequence＇s clinical application in cerebrovascular disease,cerebral trauma,brain tumor,neural degeneration diseases,demyelinating lesions and the body. Meanwhile,it also put forward the advantages and disadvantages of SWI technology.