Computed tomography apparatus includes

Computed tomography equipment includes ABCDE.

A.？ CT machine for medical imaging

B.？ Radiotherapy CT simulator

C.？ Nuclear medicine SPECT-CT

D.？ Nuclear medicine PET-CT

E.？ Dental CT machine

CT is "computed tomography" or "computed tomography". The abbreviation of CT is the biggest breakthrough of X-ray diagnosis since Roentgen discovered X-ray in 1895, which is the product of the combination of computer control technology and X-ray inspection photography technology.

CT was successfully developed by British physicist hounsfield in 197 1 year. It was first used for the diagnosis of brain diseases, and then extended to general examination in 1976. This is a great revolution of X-ray in radiology. China also introduced this new technology in the late 1970s. In a short period of 30 years, thousands of various types of CT machines have been installed in hospitals all over the country and even in counties and townships, and CT examination has quickly spread all over the country, becoming an indispensable equipment for medical diagnosis.

CT(Computed Tomography), namely Computed Tomography/Computed Tomography /X-ray Computed Tomography, uses accurately collimated X-ray beams, gamma rays, ultrasonic waves, etc. Scanning one section after another around a certain part of human body with high sensitivity detector has the characteristics of fast scanning time and clear image, and can be used for examination of various diseases. According to the different rays used, it can be divided into X-ray CT(X-CT), ultrasonic CT(UCT) and γ -ray CT(γ-CT).