IT technologies are applied in all spheres of human life and work, also it found its use in medicine by facilitating and raising the quality of work in all departments, especially in radiology. In order to understand the current situation, this study shows the process of parallel development of information technology and medicine, and the way that computerization progressed. Through the process of digitizing medical institutions there have been dealing with various difficulties but the solutions were always found and different standards and norms were established in order to enable constant progress. Besides the basics of computer equipment and systems digitize on the radiology department, the importance of the established modalities at the global level, such as DICOM and HL7, are explained. Also, attention has been brought to the technologies that guide the progress of IT in radiology - teleradiology, mobile radiology and the use of robotics in radiology.