Timeline of radiology

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Time period Development summary
1950s In the decade comes the development of image intensifier and x-ray television.[1]
1960s Ultrasound gains popularity.[1]
1970s The 1970s are known as the "golden decade" of radiology, when the CT scanner opens up new opportunities and discoveries which would be further developed in the following decades.[2] Magnetic resonance imaging develops.[1]
1980s Position emission tomography (PET) emerges as new technology.[3] Clinical MRI is also introduced in the 1980s.[4]
1990s A rising interest in the construction of a combined PET-CT scanner emerges.[5]
2000s PET/CT becomes one of the fastest growing medical imaging modalities, rivaling the growth of MR during the 1980s and 1990s.[6]

Full timeline

Year Event type Details Country/region
1895 Field development German physicist Wilhelm Röntgen first discovers the X-ray.[1][7]
1896 Field development French physicist Antoine-Henri Becquerel discovers radioactivity.[7] France
1896 Literature Journal Archives of Clinical Skiagraphy launches as the first radiology scientific journal.[7][8] United Kingdom
1896 Field development After learning about Röntgen’s discoveries, American inventor Thomas Edison invents fluoroscopy. Fluoroscopic screens would be then used as an alternation to still x-ray images for some time.[9][7] United States
1898 Literature Marie Curie publishes her paper Rays emitted by uranium and thorium compounds.[7] France
1900 Organization The American Roentgen Ray Society (ARRS) is founded.[3] United States
1901 Award Wilhelm Röntgen is awarded the Nobel Prize in Physics for his contribution to the study of radiation.
1903 Field development Lay x-ray operators start being appointed as assistants.[3]
1913 Field development German surgeon Albert Salomon initiates research leading to mammography.[7] Solomon becomes the first to use x-ray imaging to view the gross anatomy of mastectomy specimens and is the first to demonstrate successful visualization of microcalcifications.[10][11][12] Germany
1914 – 1918 Field development Radiological equipment is used in field hospitals during World War I.[3]
1915 Organization The Western Roentgen Society is founded.[3] United States
1918 Field development George Eastman introduces film, which would replace radiographs made onto glass photographic plates.[1][9]
1920 Organization The Society of Radiographers is formed in the United Kingdom as a trade union and professional body for x-ray and radiation technicians.[1][9] United Kingdom
1920 Organization The American Society of Radiologic Technologists is founded.[13] United States
1921 Field development Diagnostic radiology takes a great leap forward with the introduction of pneumoventriculography and pneumoencephalography.[14]
1923 Literature Monthly, peer reviewed, medical journal Radiology is released by the Radiological Society of North America.[15] United States
1927 Field development Portuguese neurologist António Egas Moniz develops cerebral angiography.[7] Portugal
1934 "Frederic and Irene Joliot-Curie artificially produce radioisotopes"[7]
1935 The higher radiological qualification known as the Fellowship is created by The British Association of Radiologists.[3] United Kingdom
1935 Organization The Society of Radiotherapists of Great Britain and Ireland is established.[3] United Kingdom
1936 "John Lawrence uses phosphorus-32 to treat leukaemia"[7]
1939 "Kitty Clark publishes Clark’s Positioning in Radiography"[7]
1939 Organization The Faculty of Radiologists is formed, amalgamating the British Association of Radiologists and the Society of Radiotherapists of Great Britain and Ireland.[3] United Kingdom
1950s "David Kuhl invents Positron Emission Tomography (PET)"[7]
1953 "Sven-Ivar Seldinger develops his famous technique"[7]
1958 Field development Scottish physician Ian Donald develops the first medically used ultrasound to observe the health and growth of fetuses. Donald also uses the ultrasound to study lumps, cysts, and fibroids. Donald, Together with engineer Tom Brown, develop a portable ultrasound machine to be used on patients.[9][7] United Kingdom
1961 James Robertson, working at the Brookhaven National Laboratory, builds the first single-plane positron emission tomography (PET) scan.[9] United States
1962 Field development American scientist David E. Kuhl introduces emission reconstruction tomography. This method later becomes known as SPECT and PET.[3] United States
1962 Organization The European Association of Radiology was established.[3]
1964 "Charles Dotter introduces image-guided intervention"[7]
1965 "Benjamin Felson publishes his Principles of Chest Roentgenology"[7]
1967 Field development The first clinical use of magnetic resonance imaging takes place in England.[3] United Kingdom
1971 Field development English electrical engineer Godfrey Hounsfield builds the prototype computerized tomography (CT) machine, which utilizes both x-rays and computer software to create cross-sectional images of the body. In the same year, the first successful medical scan using this machine is done on a live patient.[9] United Kingdom
1972 Field development Godfrey Hounsfield introduces the first clinical prototype of CT scanner.[4][7][1][5][16][17] United Kingdom
1972 Field development The EMI parallel beam scanner is introduced.[16]
1973 American chemist Paul Lauterbur develops the way to generate the first two-dimensional and three-dimensional magnetic resonance images (MRIs). In the same year, Lauterbur publishes the first nuclear magnetic resonance image.[9][4] United States
1975 Frank T Farmer gives an interesting historical review of the physical basis of radiology and demonstrates diffraction patterns as obtained by Von Laue.[18]
1975 Field development Michael E. Phelps, Michel Ter-Pogossian, and co-workers at Washington University School of Medicine introduce the modern PET scanner. The design is a ring system surounding the patient.[5] United States
1975 – 1980 Field development "Real-time" ultrasound machines are introduced.[1]
1977 English physicist Peter Mansfield of the University of Nottingham describes the general principles of echo-planar imaging.[19] Mansfield develops echo-planar imaging for MRIs by mathematically analyzing the radio signals from magnetic resonance imaging. This development allows for images to be collected much faster than previously possible.[9] United Kingdom
1977 The first human image is obtained through magnetic resonance imaging, in Aberdeen, Scotland.[1] United Kingdom
1977 "Ray Damadian builds the first commercial MRI scanner"[7]
1979 Award South African physicist Allan McLeod Cormack and Godfrey Hounsfield are awarded the Nobel Prize in Physiology or Medicine "for the development of computer assisted tomography".
c.1980 Field development The first commercial PET scanner is introduced.[5]
1985 Field development Argentine physician Julio Palmaz develops the balloon-expandable stent, thus transforming interventional radiology.[9] United States
1989 3D data acquisition becomes available with the introduction of spiral CT by W.A. Kalender.[16]
1991 The first functional MRI (fMRI) of the brain is conducted by Belliveau et al.[17]
1998 Ronald Nutt and David Townsend present the first combined PET-CT prototype scanner. It combines positron emission tomography and computerized tomography in such a way as to make it easier for physicians to locate tumors and other structures on the images. The combination also makes it much easier and less expensive for physicians and hospitals to have access to both forms of technology.[9][5] United States
2000 The PET-CT scanner, attributed to David Townsend and Ronald Nutt, is named by TIME Magazine as the medical invention of the year.[5]
2001 The first commercial PET-CT system, Discovery LS, is released by American multinational GE Healthcare. It consists in a single-slice spiral CT integrated with a PET scanner with BGO detectors.[5] United States
2003 Award Peter Mansfield shares with Paul Lauterbur the Nobel Prize in Physiology or Medicine, , for discoveries concerning Magnetic Resonance Imaging (MRI)
2004 Field development The Siemens 64-slice spiral CT is introduced.[16]
2006 PET-only scanners are no longer obtainable as major medical centers and clinics opt for PET/CT to replace their PET-only scanners and newly-established diagnostic imaging centers go directly to PET-CT.[6]
2008 Field development Over 2500 PET-CT scanners are operational worldwide.[6]
2012 The International Day of Radiology (IDoR) is introduced. It is celebrated on November 8 each year.[7]

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See also

External links

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "Origins of radiology". bir.org.uk. Retrieved 9 August 2018. 
  2. "History of radiology". bir.org.uk. Retrieved 9 August 2018. 
  3. 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 "Historical timeline". rcr.ac.uk. Retrieved 14 August 2018. 
  4. 4.0 4.1 4.2 Orrison, William W.; Lewine, Jeffrey; Sanders, John; Hartshorne, Michael F. Functional Brain Imaging. 
  5. 5.0 5.1 5.2 5.3 5.4 5.5 5.6 Functional Imaging in Oncology: Biophysical Basis and Technical Approaches -, Volume 1 (Antonio Luna, Joan C. Vilanova, L. Celso Hygino da Cruz Jr., Santiago E. Rossi ed.). 
  6. 6.0 6.1 6.2 Townsend, David W. "Combined PET/CT: the historical perspective". PMID 18795489. doi:10.1053/j.sult.2008.05.006. 
  7. 7.00 7.01 7.02 7.03 7.04 7.05 7.06 7.07 7.08 7.09 7.10 7.11 7.12 7.13 7.14 7.15 7.16 7.17 "History of radiology". radiopaedia.org. Retrieved 13 August 2018. 
  8. "Archives of Clinical Skiagraphy". radiopaedia.org. Retrieved 13 August 2018. 
  9. 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 "10-Minute History of Radiology: Overview of Monumental Inventions". bicrad.com. Retrieved 13 August 2018. 
  10. Bassett, Lawrence W.; Mahoney, Mary C; Apple, Sophia; D'Orsi, Carl. Breast Imaging Expert Radiology Series E-Book. 
  11. Kaiser, Werner A. Signs in MR-Mammography. 
  12. Classic Papers in Modern Diagnostic Radiology (Adrian M. K. Thomas, Arpan K. Banerjee, Uwe Busch ed.). 
  13. "History of the American Society of Radiologic Technologists". asrt.org. Retrieved 13 August 2018. 
  14. Tandon, Prakash Narain; Ramamurthi, Ravi. Textbook of Neurosurgery, Third Edition, Three Volume Set. 
  15. 16.0 16.1 16.2 16.3 Shreve, Paul; Townsend, David W. Clinical PET-CT in Radiology: Integrated Imaging in Oncology. 
  16. 17.0 17.1 Freberg, Laura. Discovering Behavioral Neuroscience: An Introduction to Biological Psychology. 
  17. "1970s medical physics". bir.org.uk. Retrieved 13 August 2018. 
  18. Poustchi-Amin, Mehdi; Mirowitz, Scott A.; Brown, Jeffrey J.; McKinstry, Robert C.; Li, Tao. "Principles and Applications of Echo-planar Imaging: A Review for the General Radiologist".