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Computed radiography

Computed radiography (CR) with luminescence imaging plates (IP) is routinely used in medical applications. Imaging plates are exposed similar to radiographic films. Colour centres formed during x-ray exposure can be detected directly by a laser scanner without any development process. The scanner sends the information detected to a computer that generates the x-ray image. Imaging plates can be erased and reused up to 1,000 times. The exposure process and the handling of the IP's is designed to achieve the same or better image quality than film systems.
 
General radiography
 
Radiographic and fluoroscopic procedures send an x-ray beam into the body. The portion of the x-ray beam not absorbed by the body (remnant radiation), is used to expose medical x-ray film that produces the diagnostic image.
 
Bone and soft tissue structure do not require any special preparations for the procedure. However, a contrasting substance is required to increase the visibility of the shape, size and position, and functional status in the organ and circulatory systems. The most common substances used are iodinated solutions and barium sulphate suspensions.