Royalty free and rights managed images relating to the medical use of X-rays (radiography). This diagnostic technique was made possible by the discovery of X-rays in 1895. It is routinely used to diagnose and assess broken bones. It is also used to monitor the placement of devices within the body during operations, and to deliver some forms of treatment. Photographs and pictures in this section include patients in hospital with radiographers imaging them using X-ray machines, and radiologists examining the X-rays to diagnose diseases.