Introduction. The essay at hand is aimed at examining the application of use case modeling in analyzing and designing information systems to support Medical Imaging services. Methods. The application of use case modeling in analyzing and designing health information systems was examined using electronic databases (Pubmed, Google scholar) resources and the characteristics of the modeling system and its effect on the development and design of the health information systems were analyzed. Results. Analyzing the subject indicated that Provident modeling of health information systems should provide for quick access to many health data resources in a way that patients’ data can be used in order to expand distant services and comprehensive Medical Imaging advices. Also these experiences show that progress in the infrastructure development stages through gradual and repeated evolution process of user requirements is stronger and this can lead to a decline in the cycle of requirements engineering process in the design of Medical Imaging information systems. Conclusion. Use case modeling approach can be effective in directing the problems of health and Medical Imaging information systems towards understanding, focusing on the start and analysis, better planning, repetition, and control. 1. Introduction 1.1. Background and Objective “Use case modeling” is in fact a conceptual model and explains the required behaviors in the framework of related nontechnical and practical terms. For many organizations this model is a real model to show the performance requirements and visible outward behaviors of an information system [1]. Use case modeling simply shows in an information system which does what job and with what aim [2]. This technique has been developed as a part of UML in the form of a standard objective-oriented modeling language [3] which is based on the system’s simple structure and direct understanding, usually presenting considerable details about the interaction between a system and its users in a structured story-like manner [4]. Use case modeling can be done during software development so that the practical behavior of large systems in their interaction with several users having different requirements is shown [5]. Usually one environment is used in relation to modeling a process [6]. Use case modeling can divide every collection into two particular groups: the system and the factors interacting with this system [7, 8]. These factors are called actors. Actors are not limited to the real people. They can be other systems, equipment, or any other thing which
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