Historical Perspective of Computerized Tomography Scan

Question 1

Previous names for Computerized Tomography?

Answer 1

CAT - Computerized Axial Tomography

CTAT - Computerized Transaxial Tomography

CRT - Computerized Reconstruction Tomography

DAT - Digital Axial Tomography

Question 1

What nobel prize did Hounsfield win for his development of the CT scan?

Answer 1

Nobel Prize in Medicine and Physiology (1979)

Question 2

Enumerate the 2 benefits of CT scan over conventional radiography?

Answer 2

Eliminates tissue superimposition

Increases contrast of low subject contrast tissues

Question 3

When was Sir Godfrey Newbold Hounsfield born, and when did he die?

Answer 3

1919 - 2014

Question 3

Who developed the mathematical algorithm for the CT Scan?

Answer 3

Allan Cormack

Question 3

Album that was released when Hounsfield conceived the idea of the CT Scan?

Answer 3

Sergeant Pepper’s Lonely Heart’s Club Band

Question 4

When was the first human patient examined using a CT Scan?

Answer 4

October 1, 1971

Question 5

Harmful procedures done to image the brain before CT Scan was invented?

Answer 5

Pneumoencephalography Ventriculography

Question 6

When did Hounsfield join EMI?

Answer 6

1951

Question 7

Where was the EMI Brain Scanner Installed?

Answer 7

Morley Hospital in Wimbledon, England

Question 8

A medical imaging modality that uses x-rays and digital computer technology to create cross-section slices/images and three dimensional representations of the body?

Answer 8

Computerized Tomography (CT Scan)

Question 9

System where x-ray tube and film cassette are attached to a rigid pendulum, but the detector is always parallel to the tomographic plane?

Answer 9

Tomography

Question 10

Meaning of tomos?

Answer 10

Slice

Question 11

Radioactive element used in Hounsfields prototypes to produce what rays?

Answer 11

Americium. Producing Gamma rays

Question 12

Greek word for slice?

Answer 12

Tomos

Question 13

CTAT stands for?

Answer 13

Computerized Transaxial Tomography

Question 14

Who invented Tomography?

Answer 14

Gustav Grossman (1935)

Question 15

The algorithm developed by Allan Cormack is called?

Answer 15

Filtered backprojection

Question 17

DAT stands for?

Answer 17

Digital Axial Tomography

Question 18

What does EMI stand for?

Answer 18

Electric and Musical Industries

Question 20

System where x-ray tube and film cassette move in parallel equidistant planes with reciprocal motions?

Answer 20

Planigraphy

Question 21

System where x-ray tube and film cassette are perpendicular to a rigid pivoting pendulum?

Answer 21

Stratigraphy

Question 21

Enumerate the four independent researchers who saw the benefit of computers for medical imaging?

Answer 21

Korenblyum (1958, Kiev)

William Oldendorf (1961, UCLA)

Allan Cormack (1963,1964)

David Kuhl, John Hale, and Walter Eaton

Question 22

What is Britians first all-transistor computer?

Answer 22

EMIDEC 1100

Question 23

Who invented stratigraphy?

Answer 23

Alessandro Vallebona (1930)

Question 24

CRT stands for?

Answer 24

Computerized Reconstruction Tomography

Question 26

When did Hounsfield win the Nobel Prize in Medicine and Physiology?

Answer 26

1979

Question 27

CAT stands for?

Answer 27

Computerized Axial Tomography

Question 28

Who was responsible for the development of the CT scan?

Answer 28

Sir Godfrey Newbold Housfield, CBE, FRS

Question 30

Stands for recording in greek?

Answer 30

graphia

Question 31

Who invented Planigraphy?

Answer 31

Andre Edmond Marie Bocage (1921) Ziedses des Plantes (1921) Ernst Pohl (1932)

Question 32

Austrian mathematician who showed that in theory that images could be obtained through filtered backprojection?

Answer 32

Johann Radon (1917)

Question 33

What was the name of the prototype of the CT scan?

Answer 33

EMI Brain Scanner

Question 34

The software on a high-speed computer that programmed the algorithm for the first CT scan prototype?

Answer 34

FORTRAN