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Ｘ线计算机体层成像(Ｘ-ｒａｙｃｏｍｐｕｔｅｄｔｏｍｏｇｒａｐｈｙ,Ｘ-ｒａｙＣＴ或ＣＴ)1969年由Ｈｏｕｎｓｆｉｅｌｄ设计成功。ＣＴ的临床应用显著提高了病变的检出率和诊断的准确率,是医学影像学的一个里程碑。ＣＴ在中枢神经系统等的应用很成熟,而对心血管和空腔脏器的
X-ray computed tomography (X-ray CT or CT) was designed by Hounsfield in 1969. The clinical application of CT significantly improves the detection rate of lesions and the accuracy of diagnosis, which is a milestone in medical imaging. CT in the application of the central nervous system and other applications are very mature, while the cardiovascular and hollow organs