1917 = mathematical formula – Johann Radon developed the basic mathematical equation Radon transform.
1920s = methods to image the specific section of body known as “Body Section Radiography” and ‘‘stratigraphy’’ (from stratum, meaning ‘layer’)
1935 = Grossman refined the technique and labeled it as Tomography.
1936 = Watson developed another Tomography technique, known as “Transverse Axial Tomography”
1937= Stefan Kaczmarz formulated another mathematical theory “Algebraic Reconstruction Technique”
1940 = Frank & Takashi published the “basic principle” of CT.
1956 = Allan MacLeod Cormack developed the theory of “Image Reconstruction”.
1967 = Godfrey Newbold Hounsefield constructed the clinical useful experimental apparatus (radiation used –gamma source coupled with a crystal detector)
1971= First clinical prototype CT “brain” scanner (EMI Mark 1) was installed at AtkinsonMorley’s Hospital.
1972 = First clinical Brain Scanner used.
1975 = “Dynamic special reconstructor” (DSR) was installed at Myoclinic.
1980 = A high speed CT Scanner was introduced that used electron beam technique to image CVS (to overcome motion artifact) known as “EBCT”
1989 = “Single-slice” “spiral/helical” CT Scanner was introduced.
1992 = “Dual-slice” “spiral/helical” CT Scanner was introduced.
1998 = “Multi-slice” “spiral/helical” CT Scanner (MSCT) was introduced.
2000 = 16 & 32 slice CT Scanner was introduced.
2004 = Introduction of 64 slice CT Scanner.
2006 = Introduction of “Dual source” (DSCT) CT Scanner (two x-ray tubes coupled to two detector array)
2006-2007 = Introduction of 256 slice and 320 slice CT Scanner.
THANK YOU
HAVE A NICE DAY & DROP A COMMENT BELOW
YOU CAN REQUEST A TOPIC ON MAIL AND AS WELL AS IN A COMMENT BOX
STAY TUNED FOR MORE TOPICS LIKE THIS AND DON’T FORGET TO LIKE THIS
It’s obvious that we came a long way….. Thanks for this overview.
Thank u so much for reading and visiting unitball..
Thank you so much for showing love and support!
Thank you unitball for this summary, and I am really looking forward to read this type of information on your website,,,,,
also i am not a medical student but i like this one ..
Thank you so much for showing love and support!
A long era travelled to reach where we stand today. Great way to show in chronological order how God has been kind to us to be so remarkable in the history of mankind and still lot to go. Anyways nicely presented
Thank you for showing love and support!
Very precise and direct article, it was very useful for me in my exams.
Thank you so much for showing love and support!
It’s a very short summary type and is very beneficial …. Till now I have not seen any such type of valuable summary of CT Scan….. thankyou sooo much
Thank you so much for showing love and support!
Very impressive dear….Thank you so much for providing such a huge knowledge keep it up😘😘
Thank you for showing love and support!
Very helpful, simple and systematic approach which is very helpful for beginners!!
Thank you for showing love and support!
enjoyable read, great and authoritative information