A lot of attention is paid to imaging IT systems, like PACS and VNAs, and EMRs these days, but Radiology Information Systems (RIS) play a very important role in the success of the Radiology service line within an enterprise.
The industry and market for RIS has changed a lot since their introduction, with two core markets (with different needs) evolving.
I recently wrote an article for HealthCare Business News, titled A tale of two kinds of RIS solutions, on the subject. The article is here.