Radiologist
A radiologist is a medical doctor that uses numerous technologies that employ both radioactive and non-radioactive materials to
diagnose and
treat disease. Some of the tools at a radiologist's disposal are x-rays, magnetic resonance imagery (MRI), computer tomography (CT), infrared thermography and ultrasound.
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Radiology requires thirteen to fifteen years of training beyond high school. After completing a pre-med degree at a four-year college or university (usually in biology or a related field), prospective radiologists attend four years of medical school, after which they must complete at least five additional years of post-graduate training. This consists of a one-year general residency followed by a four-year residency in diagnostic radiology.
Once the radiology residency is complete, the candidate must pass both written and oral exams before the American Board of Radiology. A radiologist may train in a sub-specialty training program, or fellowship from among several fields. Such fellowships may last between one and two years, and include abdominal imaging, thoracic imaging, MRI, musculoskeletal imaging, interventional radiology, neuroradiology, interventional neuroradiology, pediatric radiology, and women's imaging.
As one might imagine, the rapid advances in computer technology is bringing great changes to the field of radiology. One of the most interesting new technologies is molecular imaging. This is a technique that provides medical professionals a way to look at disease and injury at the cellular and molecular level.
For example, a traditional x-ray may reveal the presence of a tumor or some other disorder as part of an overall general anatomical phenomenon - generally, only when the disease has advanced far enough. Molecular imaging promises to enable doctors to diagnose diseases at the very earliest stages, when they are most treatable. Because the imaging is at the molecular and cellular level, it may also be possible to create a course of treatment unique to the patient's genetic predispositions as well.