Dia 1

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• 1917 mathematical grounds for CT
reconstruction
• 1971 first clinical CT
• 1990 spiral CT
• 1993 dual slice
• 2003 32-slice
• Today : ultrafast volume-scanning
dual source, dual energy 80x80 matrix
5 min rotation time
1024x1024 matrix
< 0.3 s rotation time
CT chronology