The CR in “CR System” is an abbreviation for Computed Radiography. Using x-rays, this system allows doctors, such as pathologists, to get a better view as to what is going on inside their patients.
Unlike traditional radiography, which uses film, CR uses a special imaging plate that is placed under the patient. This is readable by laser scanners, meaning that the data can be stored in a digital format. Such as system is flexible enough to be read by different types of software that can be employed to allow more accurate diagnoses than ever before in history. Furthermore, it can be customized to meet the specific needs of a given practice or facility.
CR equipment is gaining ground at medical facilities throughout the industrialized world. Today, it’s more common than traditional x-ray machines that use film. Although such equipment can mean a substantial investment up front, the benefits translate into serious cost savings in the long run.
If you go to see a respiratory or heart specialist, you are likely to be examined using this kind of system. CR systems are excellent tools for diagnosing many forms of cancer, which have historically been difficult to diagnose in the early stages. A CR image provides a much clearer picture of a patient’s pathology than x-ray film, as the latter displays only murky images with limited contrast.
Of course, all radiography involves radiation. Most national, state and local government agencies have strict regulations about what constitutes a “safe” level of exposure to radiation. Some people question these levels. It is true that the benefits of CR systems far outweigh the relatively small risk of radiation exposure, but patients who are concerned about this should have a discussion with their doctors.
Staff who work in imaging departments are required to wear safety clothing that stops them from being exposed to radiation. There are strict boundaries as to where different people may stand to operate equipment during use, and so anyone considering working in this field should not need to be worried about any effects of being regularly present during machine use, provided that they are satisfied that safety and clinical standards are being met.
Female patients should let staff know before the process begins if they are or may be pregnant. Patients will need to get changed in to a hospital gown for the procedure. A private area will be provided for this. If a patient needs assistance with getting undressed or dressed they should let someone know before they begin. There are usually female members of staff available to help female patients if this is preferred but they may not be in the procedure room so patients should advise of this request beforehand. Any metal objects such as jewellery, piercings, or glasses need to be removed as they can interfere with the imaging results.
The actual procedure only involves getting into position and staying still for a few moments. If this may be difficult for the patient they should ask for assistance which can easily be provided. The actual imaging is painless and there is no recovery period necessary.
Dr. Anne Harvester MD is an expert in radiology and writes articles and blog posts to answer your questions about the CR system.
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