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Medical Physics: Some Recollections in Diagnostic X-ray Imaging and Therapeutic Radiology¹

¹ From the Department of Business and Clinical Development, Lorad, a Hologic Company, 36 Apple Ridge Rd, Danbury, CT 06810 (J.E.G.); and the Department of Radiation Oncology, Radiation Oncology Center, Harper Hospital, Detroit, Mich (C.G.O). Received November 30, 1999; revision requested January 24, 2000; revision received July 14; accepted July 26. Address correspondence to J.E.G. (e-mail: MammoMan@Loradmedical.com).

View larger version (119K): [in a new window]   Figure 1. An x-ray examination room (Mayo Clinic, Rochester, Minn, circa 1925) with bare high-voltage cables (arrowheads) and little shielding of the x-ray tube (arrow).

View larger version (118K): [in a new window]   Figure 2a. (a) Original EMI CT head scanner (Mayo Clinic, Rochester, Minn, circa 1973) and (b) an 80 x 80-matrix head CT image obtained with it.

View larger version (126K): [in a new window]   Figure 2b. (a) Original EMI CT head scanner (Mayo Clinic, Rochester, Minn, circa 1973) and (b) an 80 x 80-matrix head CT image obtained with it.

View larger version (167K): [in a new window]   Figure 3. Donald Kerst, PhD, (left) and Gail Adams, PhD, work on the first betatron (University of Illinois College of Medicine, Urbana, Ill, circa 1971) to be used for radiation therapy. Later, Dr Adams became the first President of the AAPM, the first Chairman of the American College of Medical Physics, and the first Editor of Medical Physics.

View larger version (114K): [in a new window]   Figure 4. The Artronix PC-12 treatment-planning computer: rho-theta transducer (A), tapedeck (B), keyboard (C), hard-copy unit (D), storage scope (E), and digital plotter (F). (Reprinted, with permission, from reference 35.)