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Medical Physics before the Millennium A Personal Experience Franca T. Kuchnir, PhD, FAAPM

Medical Physics before the Millennium A Personal Experience Franca T. Kuchnir, PhD, FAAPM Associate Professor Emerita The University of Chicago Department of Radiation and Cellular Oncology April 27, 2013. Sealed glass Radon applicators. 1951. 1953.

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Medical Physics before the Millennium A Personal Experience Franca T. Kuchnir, PhD, FAAPM

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  1. Medical Physics before the Millennium A Personal Experience Franca T. Kuchnir, PhD, FAAPM Associate Professor Emerita The University of Chicago Department of Radiation and Cellular Oncology April 27, 2013

  2. Sealed glass Radon applicators

  3. 1951 1953 Argonne Cancer Research Hospital (ACRH) (AttachedtoBillingsHospital)

  4. Dr. Kerst with the 2.5 and 22 MeV betatrons (at the University of Illinois)

  5. Kerst and Skaggs with the doughnut. Skaggs points at the electron beam exit port. Med. Phys. 2, p297,1975

  6. 22-MV beam characteristics Am. J. Roegenology, Radium Ther. v.60 p.153, 1948 7

  7. Isodose Distributions 22-MV beam 9cm dia. at 75 cm Am. J. Roegenology, Radium Ther. v.60 p.153, 1948

  8. 9

  9. Lanzl, Skaggs, Machinist Dr Carpenter, Therapist, Patient, Lanzl 2,000-Ci Isocentric Co-60 unit, SAD = 80cm.

  10. Controls and Lead Glass Lanzl Co-60 unit and dose plotting device Observation Window 2,000-Ci Co-60 unit

  11. 2-MV Van de Graaff Patient set up Controls and Lead Glass Viewing Window

  12. Text Dr. Henry Kaplan showing the insides of the 6-MeV lineac developed to treat cancer The first patient treated with electrons for retinoblastoma in 1957 Stanford University’s First Medical Lineac

  13. 5-50 MV Lineac Power Vault

  14. 5-50 MV Lineac Gantry beam transport

  15. 5-50 MeV Lineac rotating and scanning gantry

  16. Skaggs at the Lineac controls Therapist, Dr. Mel Griem, Physics Tech. Routine operation of the Lineac required both a physics and a therapy technician.

  17. Measurements for treatment planning

  18. 2D Isodose Hand Calculation Fletcher’s Textbook of Radiotherapy

  19. 2D Compensator Fletcher’s Textbook of Radiotherapy

  20. vvv Relative Biologic Effectiveness RBE = 4 Oxygen Enhacement Ratio Eric J. Hall’s textbook “Radiobiology for the Radiologist”

  21. vvv Neutrons time of flight spectra

  22. ACRH neutron facility floor plan Radiology, v.111, p.471, 1974

  23. Neutron energy spectra

  24. Deuterium gas target and cooling system 25

  25. Fermilab Neutron Therapy Facility

  26. Relative Biological Effectiveness Oxygen Enhancement Ratio Radiobiology for the Radiologist by Eric J. Hall

  27. vvv

  28. vvv Neutrons difference spectra Phys. Med. Biol. v. 24, p. 721, 1979

  29. vvv Solutions for k(E).K(E) 30 Phys. Med. Biol. v. 24, p. 721, 1979

  30. vvv Solutions for k(E) Phys. Med. Biol. v. 24, p. 721, 1979

  31. “They shall beat their swords into plowshares.” (Isaiah 2:4, Joel 3:10, Micah 4:3)

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