Basic principles of computed tomography physics and technical considerations kyongtae t bae bruce r whiting introduction slightly more than three decades old computed tomography ct continues to advance rapidly in both imaging performance and widening clinical applications an appreciation of the potential of ct and its limitations can be obtained with an understanding of basic. Computed tomography ct scanning also known as especially in the older literature and textbooks computerized axial tomography cat scanning is a diagnostic imaging procedure that uses x rays to build cross sectional images slices of the body cross sections are reconstructed from measurements of attenuation coefficients of x ray beams in the volume of the object studied. Note citations are based on reference standards however formatting rules can vary widely between applications and fields of interest or study the specific requirements or preferences of your reviewing publisher classroom teacher institution or organization should be applied. Physical basis of positron emission tomography positron emission tomography pet is based on the physical properties of isotopes radioactive forms of simple atoms like hydrogen oxygen fluorine etc emitting positrons when they decay in pet centers isotopes are obtained by means of cyclotrons. Basic principles of computed tomography mudr lukas miksik kzm fn motol tomography 2004 history 1924 mathematical theory of tomographic image reconstructions johann radon 1930 conventional tomography a vallebona 1963 theoretical basis of ct a mcleod cormack 1971 first commercial ct sir godfrey hounsfield
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