CAJ | 학술논문

目的：消除MRI中的运动伪影，改善MRI图像质量。方法总结我院最近一年的5986例 MRI检查图像，把其中有运动伪影的病例归纳分类，进行伪影分析。结果按照MRI运动伪影的成因及特点，可分为：随机自主运动伪影、呼吸运动伪影、心脏搏动伪影、大血管搏动伪影及流动效应伪影五大类。结论正确认识各种运动伪影的特点，应用相应的校正方法，对改善MRI质量，提高诊断准确率有重要意义。
목적：소제MRI중적운동위영，개선MRI도상질량。방법총결아원최근일년적5986례 MRI검사도상，파기중유운동위영적병례귀납분류，진행위영분석。결과안조MRI운동위영적성인급특점，가분위：수궤자주운동위영、호흡운동위영、심장박동위영、대혈관박동위영급류동효응위영오대류。결론정학인식각충운동위영적특점，응용상응적교정방법，대개선MRI질량，제고진단준학솔유중요의의。
Objective To eliminate the motion artifact in MRI imaging , and improve the image quality.Method Analysis and classification of the motion artifacts in 5986 cases with MRI imaging in the most recent year in our hospital .Results According to the causes and characteristics, the MRI motion artifacts can be divided into random independent motion artifacts, respiratory motion artifacts, heart beat artifacts, large vascular pulsation artifacts and flow effect artifacts .Conclusions To improve the quality of MRI image and the diagnostic accuracy , it is important to understand and eliminate these motion artifacts .