What's the difference between CR and CT?

The difference between CR and CT is: different technology, different safety and different advantages.

First, the technology is different.

1, Cr: Cr is the earliest digital technology used in radiography, and it is an advanced X-ray machine formed by combining computer digital image processing technology with X-ray radiation technology.

2.CT: CT is a computerized tomography technology, which uses accurately collimated X-ray beams, gamma rays, ultrasonic waves, etc. Scan one part after another around a certain part of the human body together with a high-sensitivity detector.

Second, the security is different.

Digital images formed by 1 and Cr: Cr require less X-ray dose than traditional film imaging, so high-definition images can be obtained with lower X-ray dose, and the harm of X-ray radiation to patients is reduced.

2. CT: The digital image formed by CT needs more X-ray dose than the traditional film imaging, and it needs more X-ray dose to get high-definition images, which also increases the harm of X-ray radiation to patients.

Third, the advantages are different.

1, Cr: Cr has high resolution, and the image is clear and delicate. Users can carry out various image post-processing such as digital subtraction according to their needs, so as to obtain ideal diagnostic results.

2.CT: CT has the advantages of fast scanning time and clear image, and can be used for examination of various diseases.

Baidu encyclopedia-computer x-ray photography

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