Radiopaque is matter that does not allow a certain amount of electromagnetism to pass through. In modern medicine, radiopaque usually refers to substances that will not allow X-rays or similar radiation to pass. Radiologic imaging has been revolutionized by radiopaque dyes, or contrasts, which can be passed through the bloodstream, the intestinal tract, or into the cerebral spinal fluid and utilized to highlight computerized tomography (CT), magnetic resonance imaging (MRI), or X-ray images.
The best time to take radiographs during a radiopaque marker study depends on the reason for the study, the clinical state of the patient, whether the spheres were given with food and logistical concerns such as time of presentation and the availability of staff.
Radiopaque markers are a valuable addition to the diagnostic tools of the practicing veterinarian.
Radiopaque marker studies offer veterinarians in private practice the opportunity to investigate motility disorders, previously largely the purvey of those in tertiary institutions.
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