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核磁共振扫描仪是一种在磁场使用无线电波,以产生身体结构图象诊断疾病的方法。目前美国的医院中约有30—40台核磁共振扫描仪,在年底前约再增加100台。最近在芝加哥举办的北美放射学会年会中,放射科专家们提出,在核磁共振扫描未显示明确的技术优势前,中小型医院最好暂缓购买。目前的核磁共振扫描仪很可能在几年内被淘汰。即使教学医院也应多加考虑,因为这需要大量神经学疾病、心血管疾病和癌症病人才能发挥机器效益。
An MRI scanner is a method for diagnosing diseases in a magnetic field using radio waves to generate body structure images. At present, there are approximately 30-40 nuclear magnetic resonance scanners in hospitals in the United States. By the end of the year, there will be an additional 100. At the recent annual meeting of the North American Radiological Society held in Chicago, radiologists suggested that small and medium-sized hospitals should preferably suspend purchase until the MRI scan shows a clear technical advantage. The current MRI scanner is likely to be eliminated within a few years. Even teaching hospitals should give more consideration because it requires a large number of neurological diseases, cardiovascular diseases, and cancer patients to be able to use machine benefits.