Radiation Therapy

The use of radiation energy to interfere with tumor growth. See irradiation. The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body...

Radiography

Examination of any part of the body for diagnostic purposes by means of x-rays with the record of the findings usually impressed upon a photographic film. Radiography is the examination of a specimen or any part of the body, usually for diagnostic purposes, by means...

Radiologist

A physician trained in the diagnostic and/or therapeutic use of x-rays and radionuclides, radiation physics, and biology. A diagnostic radiologist may also be trained in diagnostic ultrasound and magnetic resonance imaging and applicable physics.

Radiology

1) The science of high energy radiation and of the sources and the chemical, physical, and biologic effects of such radiation; the term usually refers to the diagnosis and treatment of disease. 2) The scientific discipline of medical imaging using ionizing radiation,...