PLANNING DIAGNOSTIC-IMAGING WORK-UP STRATEGIES USING CASE-BASED REASONING

ISIS is a developmental decision support system that helps physicians select diagnostic imaging procedures. It uses case-based reasoning, an artificial-intelligence approach that emphasizes reasoning and planni ng from prior experience. The development, training, and evaluation of a prototype system were used to guide the development of ISIS. To rea lize a clinically useful system, particular emphasis has been placed o n increasing the depth and breadth of case-based knowledge, enhancing the explanatory capabilities of the system, and refining the human-com puter interfaces to include a critiquing approach.