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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).

Medical physics has changed dramatically since 1895. There was a period of slow evolutionary change during the first 70 years after Roentgen’s discovery of x rays. With the advent of the computer, however, both diagnostic and therapeutic radiology have undergone rapid growth and changes. Technologic advances such as computed tomography and magnetic resonance imaging in diagnostic imaging and three-dimensional treatment planning systems, stereotactic radiosurgery, and intensity modulated radiation therapy in radiation oncology have resulted in substantial changes in medical physics. These advances have improved diagnostic imaging and radiation therapy while expanding the need for better educated and experienced medical physics staff.

Index terms: Physics • Radiology and radiologists, history • Reflections