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目的从定量角度探讨医学影像学这一新兴学科的形成特点、发展趋势及研究动态。方法应用文献计量学方法，对１９８３～１９９６年《中华放射学杂志》、《临床放射学杂志》、《实用放射学杂志》以及１９９６年美国《ＡＪＲ》、《Ｒａｄｉｏｌｏｇｙ》杂志所刊载的学术研究论文进行统计分析。结果我国医学影像学发表论文逐年增长；在各影像技术中，ＣＴ、磁共振、介入等方面的文献比例呈上升趋势，普通Ｘ线呈相对下降趋势；１９９６年美国两刊学术论文中所占比例最高的是磁共振，中国是ＣＴ。结论医学影像学发展迅猛，科研技术力量迅速增强，研究重点已从普通Ｘ线逐渐转移到了ＣＴ、磁共振、介入等新技术方面；磁共振有可能成为今后几年研究的最热点。
Objective To discuss the formation characteristics, development trend and research trends of medical imaging from a quantitative point of view. Methods Using the methods of bibliometrics, the author studied the academic research papers published in Chinese Journal of Radiology, Journal of Clinical Radiology and Practical Radiology from 1996 to 1996 and in the journal “AJR” and “Radiology” in 1996 conduct statistical analysis. Results The number of papers published in medical imaging in our country increased year by year. In each imaging technique, the proportion of literature on CT, MRI, intervention and so on showed an upward trend while that of general X-ray showed a relative downward trend. In 1996, the proportion of academic papers in the two academic papers in the United States The highest is magnetic resonance. China is CT. Conclusion The rapid development of medical imaging and rapid increase of scientific research and technology force have shifted the research focus from ordinary X-ray to new technologies such as CT, MRI and intervention. Magnetic resonance imaging may become the hot spot in the next few years.