“…Many articles examine the types of technology that can be used to assist in teaching radiology to both undergraduate medical students and residents. These articles began appearing around the early 1970s, 21 and the technologies discussed range from the traditional textbook, 22 videodisc, 23 , 24 analogue film teaching files, 25 interactive games, 26 digital/picture archiving and communication systems and Digital Imaging and Communications in Medicine–based teaching files, 27 , 28 , 29 , 30 , 31 , 32 computer instruction, 33 and handheld computers or personal digital assistants, 34 , 35 to radiologic Web sites 36 such as Web-based tutorials, 37 , 38 , 39 Web-based teaching files, 40 , 41 , 42 , 43 Web-based radiology information sites, 44 , 45 open-source, social network virtual learning environments, 46 blended learning, 47 and intranet-based assessment tools. 48 …”